Home / 725,588.31-1,001,305.95-394,442.11

Finding the Fourth Proportional to 725,588.31, 1,001,305.95 and 394,442.11

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Solution

The fourth proportional to 725,588.31, 1,001,305.95 and 394,442.11 is: 544,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,588.31 : 1,001,305.95 = 394,442.11 : x
  2. Step 2: Convert to fraction form
    725,588.31/1,001,305.95 = 394,442.11/x
  3. Step 3: Cross multiply
    725,588.31x = 1,001,305.95 × 394,442.11
  4. Step 4: Simplify right side
    725,588.31x = 394,957,228,032.42
  5. Step 5: Solve for x
    x = 394,957,228,032.42/725,588.31
  6. Step 6: Final answer
    x = 544,326.89

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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.