Home / 730,664.20-1,008,363.88-408,387.88

Finding the Fourth Proportional to 730,664.20, 1,008,363.88 and 408,387.88

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Solution

The fourth proportional to 730,664.20, 1,008,363.88 and 408,387.88 is: 563,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,664.20 : 1,008,363.88 = 408,387.88 : x
  2. Step 2: Convert to fraction form
    730,664.20/1,008,363.88 = 408,387.88/x
  3. Step 3: Cross multiply
    730,664.20x = 1,008,363.88 × 408,387.88
  4. Step 4: Simplify right side
    730,664.20x = 411,803,587,221.77
  5. Step 5: Solve for x
    x = 411,803,587,221.77/730,664.20
  6. Step 6: Final answer
    x = 563,601.70

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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.