Home / 725,891.28-1,001,724.72-403,598.88

Finding the Fourth Proportional to 725,891.28, 1,001,724.72 and 403,598.88

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Solution

The fourth proportional to 725,891.28, 1,001,724.72 and 403,598.88 is: 556,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,891.28 : 1,001,724.72 = 403,598.88 : x
  2. Step 2: Convert to fraction form
    725,891.28/1,001,724.72 = 403,598.88/x
  3. Step 3: Cross multiply
    725,891.28x = 1,001,724.72 × 403,598.88
  4. Step 4: Simplify right side
    725,891.28x = 404,294,975,060.31
  5. Step 5: Solve for x
    x = 404,294,975,060.31/725,891.28
  6. Step 6: Final answer
    x = 556,963.54

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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.