Home / 729,765.30-1,092,023.55-493,569.30

Finding the Fourth Proportional to 729,765.30, 1,092,023.55 and 493,569.30

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Solution

The fourth proportional to 729,765.30, 1,092,023.55 and 493,569.30 is: 738,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,765.30 : 1,092,023.55 = 493,569.30 : x
  2. Step 2: Convert to fraction form
    729,765.30/1,092,023.55 = 493,569.30/x
  3. Step 3: Cross multiply
    729,765.30x = 1,092,023.55 × 493,569.30
  4. Step 4: Simplify right side
    729,765.30x = 538,989,299,157.02
  5. Step 5: Solve for x
    x = 538,989,299,157.02/729,765.30
  6. Step 6: Final answer
    x = 738,578.96

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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.