Home / 725,754.90-1,001,575.92-403,470.36

Finding the Fourth Proportional to 725,754.90, 1,001,575.92 and 403,470.36

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Solution

The fourth proportional to 725,754.90, 1,001,575.92 and 403,470.36 is: 556,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,754.90 : 1,001,575.92 = 403,470.36 : x
  2. Step 2: Convert to fraction form
    725,754.90/1,001,575.92 = 403,470.36/x
  3. Step 3: Cross multiply
    725,754.90x = 1,001,575.92 × 403,470.36
  4. Step 4: Simplify right side
    725,754.90x = 404,106,197,009.73
  5. Step 5: Solve for x
    x = 404,106,197,009.73/725,754.90
  6. Step 6: Final answer
    x = 556,808.09

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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.