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Finding the Fourth Proportional to 605,150.70, 907,726.05 and 392,574.30

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Solution

The fourth proportional to 605,150.70, 907,726.05 and 392,574.30 is: 588,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,150.70 : 907,726.05 = 392,574.30 : x
  2. Step 2: Convert to fraction form
    605,150.70/907,726.05 = 392,574.30/x
  3. Step 3: Cross multiply
    605,150.70x = 907,726.05 × 392,574.30
  4. Step 4: Simplify right side
    605,150.70x = 356,349,918,670.52
  5. Step 5: Solve for x
    x = 356,349,918,670.52/605,150.70
  6. Step 6: Final answer
    x = 588,861.45

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Similar ratio
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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.