Home / 754,521.38-1,131,894.61-249,135.75

Finding the Fourth Proportional to 754,521.38, 1,131,894.61 and 249,135.75

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Solution

The fourth proportional to 754,521.38, 1,131,894.61 and 249,135.75 is: 373,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,521.38 : 1,131,894.61 = 249,135.75 : x
  2. Step 2: Convert to fraction form
    754,521.38/1,131,894.61 = 249,135.75/x
  3. Step 3: Cross multiply
    754,521.38x = 1,131,894.61 × 249,135.75
  4. Step 4: Simplify right side
    754,521.38x = 281,995,411,960.47
  5. Step 5: Solve for x
    x = 281,995,411,960.47/754,521.38
  6. Step 6: Final answer
    x = 373,740.78

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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.