Home / 752,534.72-1,129,171.08-353,207.96

Finding the Fourth Proportional to 752,534.72, 1,129,171.08 and 353,207.96

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Solution

The fourth proportional to 752,534.72, 1,129,171.08 and 353,207.96 is: 529,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,534.72 : 1,129,171.08 = 353,207.96 : x
  2. Step 2: Convert to fraction form
    752,534.72/1,129,171.08 = 353,207.96/x
  3. Step 3: Cross multiply
    752,534.72x = 1,129,171.08 × 353,207.96
  4. Step 4: Simplify right side
    752,534.72x = 398,832,213,657.80
  5. Step 5: Solve for x
    x = 398,832,213,657.80/752,534.72
  6. Step 6: Final answer
    x = 529,985.13

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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.