Home / 729,890.56-1,092,705.52-487,002.32

Finding the Fourth Proportional to 729,890.56, 1,092,705.52 and 487,002.32

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Solution

The fourth proportional to 729,890.56, 1,092,705.52 and 487,002.32 is: 729,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,890.56 : 1,092,705.52 = 487,002.32 : x
  2. Step 2: Convert to fraction form
    729,890.56/1,092,705.52 = 487,002.32/x
  3. Step 3: Cross multiply
    729,890.56x = 1,092,705.52 × 487,002.32
  4. Step 4: Simplify right side
    729,890.56x = 532,150,123,316.81
  5. Step 5: Solve for x
    x = 532,150,123,316.81/729,890.56
  6. Step 6: Final answer
    x = 729,082.07

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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.