Home / 725,425.92-1,001,008.28-419,456.00

Finding the Fourth Proportional to 725,425.92, 1,001,008.28 and 419,456.00

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Solution

The fourth proportional to 725,425.92, 1,001,008.28 and 419,456.00 is: 578,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,425.92 : 1,001,008.28 = 419,456.00 : x
  2. Step 2: Convert to fraction form
    725,425.92/1,001,008.28 = 419,456.00/x
  3. Step 3: Cross multiply
    725,425.92x = 1,001,008.28 × 419,456.00
  4. Step 4: Simplify right side
    725,425.92x = 419,878,924,656.73
  5. Step 5: Solve for x
    x = 419,878,924,656.73/725,425.92
  6. Step 6: Final answer
    x = 578,803.31

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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.