Home / 526,425.54-726,467.23-284,708.11

Finding the Fourth Proportional to 526,425.54, 726,467.23 and 284,708.11

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Solution

The fourth proportional to 526,425.54, 726,467.23 and 284,708.11 is: 392,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,425.54 : 726,467.23 = 284,708.11 : x
  2. Step 2: Convert to fraction form
    526,425.54/726,467.23 = 284,708.11/x
  3. Step 3: Cross multiply
    526,425.54x = 726,467.23 × 284,708.11
  4. Step 4: Simplify right side
    526,425.54x = 206,831,111,770.70
  5. Step 5: Solve for x
    x = 206,831,111,770.70/526,425.54
  6. Step 6: Final answer
    x = 392,897.19

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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.