Home / 830,041.24-1,145,487.56-462,551.44

Finding the Fourth Proportional to 830,041.24, 1,145,487.56 and 462,551.44

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Solution

The fourth proportional to 830,041.24, 1,145,487.56 and 462,551.44 is: 638,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,041.24 : 1,145,487.56 = 462,551.44 : x
  2. Step 2: Convert to fraction form
    830,041.24/1,145,487.56 = 462,551.44/x
  3. Step 3: Cross multiply
    830,041.24x = 1,145,487.56 × 462,551.44
  4. Step 4: Simplify right side
    830,041.24x = 529,846,920,380.09
  5. Step 5: Solve for x
    x = 529,846,920,380.09/830,041.24
  6. Step 6: Final answer
    x = 638,338.07

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Double scale
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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.