Home / 730,463.52-1,008,020.30-408,176.28

Finding the Fourth Proportional to 730,463.52, 1,008,020.30 and 408,176.28

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Solution

The fourth proportional to 730,463.52, 1,008,020.30 and 408,176.28 is: 563,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,463.52 : 1,008,020.30 = 408,176.28 : x
  2. Step 2: Convert to fraction form
    730,463.52/1,008,020.30 = 408,176.28/x
  3. Step 3: Cross multiply
    730,463.52x = 1,008,020.30 × 408,176.28
  4. Step 4: Simplify right side
    730,463.52x = 411,449,976,218.48
  5. Step 5: Solve for x
    x = 411,449,976,218.48/730,463.52
  6. Step 6: Final answer
    x = 563,272.45

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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.