Home / 747,944.20-1,120,336.80-495,345.70

Finding the Fourth Proportional to 747,944.20, 1,120,336.80 and 495,345.70

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Solution

The fourth proportional to 747,944.20, 1,120,336.80 and 495,345.70 is: 741,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,944.20 : 1,120,336.80 = 495,345.70 : x
  2. Step 2: Convert to fraction form
    747,944.20/1,120,336.80 = 495,345.70/x
  3. Step 3: Cross multiply
    747,944.20x = 1,120,336.80 × 495,345.70
  4. Step 4: Simplify right side
    747,944.20x = 554,954,016,431.76
  5. Step 5: Solve for x
    x = 554,954,016,431.76/747,944.20
  6. Step 6: Final answer
    x = 741,972.48

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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.