Home / 920,504.77-1,269,642.22-614,426.83

Finding the Fourth Proportional to 920,504.77, 1,269,642.22 and 614,426.83

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Solution

The fourth proportional to 920,504.77, 1,269,642.22 and 614,426.83 is: 847,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,504.77 : 1,269,642.22 = 614,426.83 : x
  2. Step 2: Convert to fraction form
    920,504.77/1,269,642.22 = 614,426.83/x
  3. Step 3: Cross multiply
    920,504.77x = 1,269,642.22 × 614,426.83
  4. Step 4: Simplify right side
    920,504.77x = 780,102,239,758.59
  5. Step 5: Solve for x
    x = 780,102,239,758.59/920,504.77
  6. Step 6: Final answer
    x = 847,472.24

Related Problems

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Half scale
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Double scale
Find fourth proportional to 920,505.77, 1,269,643.60 and 614,427.83
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.