Home / 765,702.52-1,147,844.01-339,010.92

Finding the Fourth Proportional to 765,702.52, 1,147,844.01 and 339,010.92

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Solution

The fourth proportional to 765,702.52, 1,147,844.01 and 339,010.92 is: 508,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,702.52 : 1,147,844.01 = 339,010.92 : x
  2. Step 2: Convert to fraction form
    765,702.52/1,147,844.01 = 339,010.92/x
  3. Step 3: Cross multiply
    765,702.52x = 1,147,844.01 × 339,010.92
  4. Step 4: Simplify right side
    765,702.52x = 389,131,655,117.88
  5. Step 5: Solve for x
    x = 389,131,655,117.88/765,702.52
  6. Step 6: Final answer
    x = 508,202.14

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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.