Home / 755,737.20-1,133,605.80-436,872.60

Finding the Fourth Proportional to 755,737.20, 1,133,605.80 and 436,872.60

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Solution

The fourth proportional to 755,737.20, 1,133,605.80 and 436,872.60 is: 655,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,737.20 : 1,133,605.80 = 436,872.60 : x
  2. Step 2: Convert to fraction form
    755,737.20/1,133,605.80 = 436,872.60/x
  3. Step 3: Cross multiply
    755,737.20x = 1,133,605.80 × 436,872.60
  4. Step 4: Simplify right side
    755,737.20x = 495,241,313,221.08
  5. Step 5: Solve for x
    x = 495,241,313,221.08/755,737.20
  6. Step 6: Final answer
    x = 655,308.90

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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.