Home / 725,302.31-1,000,898.99-403,013.22

Finding the Fourth Proportional to 725,302.31, 1,000,898.99 and 403,013.22

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Solution

The fourth proportional to 725,302.31, 1,000,898.99 and 403,013.22 is: 556,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,302.31 : 1,000,898.99 = 403,013.22 : x
  2. Step 2: Convert to fraction form
    725,302.31/1,000,898.99 = 403,013.22/x
  3. Step 3: Cross multiply
    725,302.31x = 1,000,898.99 × 403,013.22
  4. Step 4: Simplify right side
    725,302.31x = 403,375,522,839.58
  5. Step 5: Solve for x
    x = 403,375,522,839.58/725,302.31
  6. Step 6: Final answer
    x = 556,148.13

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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.