Home / 755,273.95-1,042,304.42-411,138.20

Finding the Fourth Proportional to 755,273.95, 1,042,304.42 and 411,138.20

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Solution

The fourth proportional to 755,273.95, 1,042,304.42 and 411,138.20 is: 567,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,273.95 : 1,042,304.42 = 411,138.20 : x
  2. Step 2: Convert to fraction form
    755,273.95/1,042,304.42 = 411,138.20/x
  3. Step 3: Cross multiply
    755,273.95x = 1,042,304.42 × 411,138.20
  4. Step 4: Simplify right side
    755,273.95x = 428,531,166,724.45
  5. Step 5: Solve for x
    x = 428,531,166,724.45/755,273.95
  6. Step 6: Final answer
    x = 567,385.08

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Double scale
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1.5x scale

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.