Home / 781,851.26-1,172,998.92-403,049.72

Finding the Fourth Proportional to 781,851.26, 1,172,998.92 and 403,049.72

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Solution

The fourth proportional to 781,851.26, 1,172,998.92 and 403,049.72 is: 604,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,851.26 : 1,172,998.92 = 403,049.72 : x
  2. Step 2: Convert to fraction form
    781,851.26/1,172,998.92 = 403,049.72/x
  3. Step 3: Cross multiply
    781,851.26x = 1,172,998.92 × 403,049.72
  4. Step 4: Simplify right side
    781,851.26x = 472,776,886,266.30
  5. Step 5: Solve for x
    x = 472,776,886,266.30/781,851.26
  6. Step 6: Final answer
    x = 604,689.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.