Home / 769,314.60-1,061,280.90-542,462.76

Finding the Fourth Proportional to 769,314.60, 1,061,280.90 and 542,462.76

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Solution

The fourth proportional to 769,314.60, 1,061,280.90 and 542,462.76 is: 748,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,314.60 : 1,061,280.90 = 542,462.76 : x
  2. Step 2: Convert to fraction form
    769,314.60/1,061,280.90 = 542,462.76/x
  3. Step 3: Cross multiply
    769,314.60x = 1,061,280.90 × 542,462.76
  4. Step 4: Simplify right side
    769,314.60x = 575,705,366,149.28
  5. Step 5: Solve for x
    x = 575,705,366,149.28/769,314.60
  6. Step 6: Final answer
    x = 748,335.42

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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.