Home / 765,715.38-1,148,737.20-233,279.34

Finding the Fourth Proportional to 765,715.38, 1,148,737.20 and 233,279.34

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Solution

The fourth proportional to 765,715.38, 1,148,737.20 and 233,279.34 is: 349,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,715.38 : 1,148,737.20 = 233,279.34 : x
  2. Step 2: Convert to fraction form
    765,715.38/1,148,737.20 = 233,279.34/x
  3. Step 3: Cross multiply
    765,715.38x = 1,148,737.20 × 233,279.34
  4. Step 4: Simplify right side
    765,715.38x = 267,976,655,849.45
  5. Step 5: Solve for x
    x = 267,976,655,849.45/765,715.38
  6. Step 6: Final answer
    x = 349,969.01

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1.5x scale

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.