Home / 725,858.31-1,001,679.30-403,565.79

Finding the Fourth Proportional to 725,858.31, 1,001,679.30 and 403,565.79

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Solution

The fourth proportional to 725,858.31, 1,001,679.30 and 403,565.79 is: 556,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,858.31 : 1,001,679.30 = 403,565.79 : x
  2. Step 2: Convert to fraction form
    725,858.31/1,001,679.30 = 403,565.79/x
  3. Step 3: Cross multiply
    725,858.31x = 1,001,679.30 × 403,565.79
  4. Step 4: Simplify right side
    725,858.31x = 404,243,498,031.15
  5. Step 5: Solve for x
    x = 404,243,498,031.15/725,858.31
  6. Step 6: Final answer
    x = 556,917.92

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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.