Home / 721,166-1,081,518.96-247,737.20

Finding the Fourth Proportional to 721,166, 1,081,518.96 and 247,737.20

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Solution

The fourth proportional to 721,166, 1,081,518.96 and 247,737.20 is: 371,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,166 : 1,081,518.96 = 247,737.20 : x
  2. Step 2: Convert to fraction form
    721,166/1,081,518.96 = 247,737.20/x
  3. Step 3: Cross multiply
    721,166x = 1,081,518.96 × 247,737.20
  4. Step 4: Simplify right side
    721,166x = 267,932,478,897.31
  5. Step 5: Solve for x
    x = 267,932,478,897.31/721,166
  6. Step 6: Final answer
    x = 371,526.78

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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.