Home / 729,679.80-1,094,519.70-614,206.20

Finding the Fourth Proportional to 729,679.80, 1,094,519.70 and 614,206.20

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Solution

The fourth proportional to 729,679.80, 1,094,519.70 and 614,206.20 is: 921,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,679.80 : 1,094,519.70 = 614,206.20 : x
  2. Step 2: Convert to fraction form
    729,679.80/1,094,519.70 = 614,206.20/x
  3. Step 3: Cross multiply
    729,679.80x = 1,094,519.70 × 614,206.20
  4. Step 4: Simplify right side
    729,679.80x = 672,260,785,762.14
  5. Step 5: Solve for x
    x = 672,260,785,762.14/729,679.80
  6. Step 6: Final answer
    x = 921,309.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.