Home / 773,572.72-1,160,414.96-323,841.28

Finding the Fourth Proportional to 773,572.72, 1,160,414.96 and 323,841.28

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Solution

The fourth proportional to 773,572.72, 1,160,414.96 and 323,841.28 is: 485,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,572.72 : 1,160,414.96 = 323,841.28 : x
  2. Step 2: Convert to fraction form
    773,572.72/1,160,414.96 = 323,841.28/x
  3. Step 3: Cross multiply
    773,572.72x = 1,160,414.96 × 323,841.28
  4. Step 4: Simplify right side
    773,572.72x = 375,790,265,977.55
  5. Step 5: Solve for x
    x = 375,790,265,977.55/773,572.72
  6. Step 6: Final answer
    x = 485,785.31

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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.