Home / 725,987.98-1,001,822.21-403,691.14

Finding the Fourth Proportional to 725,987.98, 1,001,822.21 and 403,691.14

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Solution

The fourth proportional to 725,987.98, 1,001,822.21 and 403,691.14 is: 557,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,987.98 : 1,001,822.21 = 403,691.14 : x
  2. Step 2: Convert to fraction form
    725,987.98/1,001,822.21 = 403,691.14/x
  3. Step 3: Cross multiply
    725,987.98x = 1,001,822.21 × 403,691.14
  4. Step 4: Simplify right side
    725,987.98x = 404,426,750,779.88
  5. Step 5: Solve for x
    x = 404,426,750,779.88/725,987.98
  6. Step 6: Final answer
    x = 557,070.86

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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.