Home / 900,138.38-1,350,872.17-426,825.41

Finding the Fourth Proportional to 900,138.38, 1,350,872.17 and 426,825.41

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Solution

The fourth proportional to 900,138.38, 1,350,872.17 and 426,825.41 is: 640,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,138.38 : 1,350,872.17 = 426,825.41 : x
  2. Step 2: Convert to fraction form
    900,138.38/1,350,872.17 = 426,825.41/x
  3. Step 3: Cross multiply
    900,138.38x = 1,350,872.17 × 426,825.41
  4. Step 4: Simplify right side
    900,138.38x = 576,586,559,996.42
  5. Step 5: Solve for x
    x = 576,586,559,996.42/900,138.38
  6. Step 6: Final answer
    x = 640,553.25

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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.