Home / 693,122.14-1,039,420.76-272,168.38

Finding the Fourth Proportional to 693,122.14, 1,039,420.76 and 272,168.38

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Solution

The fourth proportional to 693,122.14, 1,039,420.76 and 272,168.38 is: 408,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,122.14 : 1,039,420.76 = 272,168.38 : x
  2. Step 2: Convert to fraction form
    693,122.14/1,039,420.76 = 272,168.38/x
  3. Step 3: Cross multiply
    693,122.14x = 1,039,420.76 × 272,168.38
  4. Step 4: Simplify right side
    693,122.14x = 282,897,464,387.57
  5. Step 5: Solve for x
    x = 282,897,464,387.57/693,122.14
  6. Step 6: Final answer
    x = 408,149.51

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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.