Home / 755,238.31-1,042,254.39-411,086.77

Finding the Fourth Proportional to 755,238.31, 1,042,254.39 and 411,086.77

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Solution

The fourth proportional to 755,238.31, 1,042,254.39 and 411,086.77 is: 567,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,238.31 : 1,042,254.39 = 411,086.77 : x
  2. Step 2: Convert to fraction form
    755,238.31/1,042,254.39 = 411,086.77/x
  3. Step 3: Cross multiply
    755,238.31x = 1,042,254.39 × 411,086.77
  4. Step 4: Simplify right side
    755,238.31x = 428,456,990,703.42
  5. Step 5: Solve for x
    x = 428,456,990,703.42/755,238.31
  6. Step 6: Final answer
    x = 567,313.63

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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.