Home / 755,215.31-1,042,201.46-411,050.42

Finding the Fourth Proportional to 755,215.31, 1,042,201.46 and 411,050.42

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Solution

The fourth proportional to 755,215.31, 1,042,201.46 and 411,050.42 is: 567,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,215.31 : 1,042,201.46 = 411,050.42 : x
  2. Step 2: Convert to fraction form
    755,215.31/1,042,201.46 = 411,050.42/x
  3. Step 3: Cross multiply
    755,215.31x = 1,042,201.46 × 411,050.42
  4. Step 4: Simplify right side
    755,215.31x = 428,397,351,490.74
  5. Step 5: Solve for x
    x = 428,397,351,490.74/755,215.31
  6. Step 6: Final answer
    x = 567,251.95

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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.