Home / 725,321.89-1,000,898.26-403,013.17

Finding the Fourth Proportional to 725,321.89, 1,000,898.26 and 403,013.17

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Solution

The fourth proportional to 725,321.89, 1,000,898.26 and 403,013.17 is: 556,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,321.89 : 1,000,898.26 = 403,013.17 : x
  2. Step 2: Convert to fraction form
    725,321.89/1,000,898.26 = 403,013.17/x
  3. Step 3: Cross multiply
    725,321.89x = 1,000,898.26 × 403,013.17
  4. Step 4: Simplify right side
    725,321.89x = 403,375,180,610.08
  5. Step 5: Solve for x
    x = 403,375,180,610.08/725,321.89
  6. Step 6: Final answer
    x = 556,132.64

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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.