Home / 730,596.07-1,008,253.71-408,306.15

Finding the Fourth Proportional to 730,596.07, 1,008,253.71 and 408,306.15

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Solution

The fourth proportional to 730,596.07, 1,008,253.71 and 408,306.15 is: 563,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,596.07 : 1,008,253.71 = 408,306.15 : x
  2. Step 2: Convert to fraction form
    730,596.07/1,008,253.71 = 408,306.15/x
  3. Step 3: Cross multiply
    730,596.07x = 1,008,253.71 × 408,306.15
  4. Step 4: Simplify right side
    730,596.07x = 411,676,190,553.32
  5. Step 5: Solve for x
    x = 411,676,190,553.32/730,596.07
  6. Step 6: Final answer
    x = 563,479.89

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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.