Home / 755,301.46-1,042,329.31-411,147.28

Finding the Fourth Proportional to 755,301.46, 1,042,329.31 and 411,147.28

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Solution

The fourth proportional to 755,301.46, 1,042,329.31 and 411,147.28 is: 567,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,301.46 : 1,042,329.31 = 411,147.28 : x
  2. Step 2: Convert to fraction form
    755,301.46/1,042,329.31 = 411,147.28/x
  3. Step 3: Cross multiply
    755,301.46x = 1,042,329.31 × 411,147.28
  4. Step 4: Simplify right side
    755,301.46x = 428,550,860,670.78
  5. Step 5: Solve for x
    x = 428,550,860,670.78/755,301.46
  6. Step 6: Final answer
    x = 567,390.48

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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.