Home / 773,471.43-1,160,188.92-455,638.97

Finding the Fourth Proportional to 773,471.43, 1,160,188.92 and 455,638.97

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Solution

The fourth proportional to 773,471.43, 1,160,188.92 and 455,638.97 is: 683,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,471.43 : 1,160,188.92 = 455,638.97 : x
  2. Step 2: Convert to fraction form
    773,471.43/1,160,188.92 = 455,638.97/x
  3. Step 3: Cross multiply
    773,471.43x = 1,160,188.92 × 455,638.97
  4. Step 4: Simplify right side
    773,471.43x = 528,627,287,414.69
  5. Step 5: Solve for x
    x = 528,627,287,414.69/773,471.43
  6. Step 6: Final answer
    x = 683,447.72

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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.