Home / 730,512.24-1,008,105.14-408,222.30

Finding the Fourth Proportional to 730,512.24, 1,008,105.14 and 408,222.30

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Solution

The fourth proportional to 730,512.24, 1,008,105.14 and 408,222.30 is: 563,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,512.24 : 1,008,105.14 = 408,222.30 : x
  2. Step 2: Convert to fraction form
    730,512.24/1,008,105.14 = 408,222.30/x
  3. Step 3: Cross multiply
    730,512.24x = 1,008,105.14 × 408,222.30
  4. Step 4: Simplify right side
    730,512.24x = 411,530,998,022.98
  5. Step 5: Solve for x
    x = 411,530,998,022.98/730,512.24
  6. Step 6: Final answer
    x = 563,345.80

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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.