Home / 747,082.92-1,120,953.78-392,011.32

Finding the Fourth Proportional to 747,082.92, 1,120,953.78 and 392,011.32

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Solution

The fourth proportional to 747,082.92, 1,120,953.78 and 392,011.32 is: 588,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,082.92 : 1,120,953.78 = 392,011.32 : x
  2. Step 2: Convert to fraction form
    747,082.92/1,120,953.78 = 392,011.32/x
  3. Step 3: Cross multiply
    747,082.92x = 1,120,953.78 × 392,011.32
  4. Step 4: Simplify right side
    747,082.92x = 439,426,570,956.79
  5. Step 5: Solve for x
    x = 439,426,570,956.79/747,082.92
  6. Step 6: Final answer
    x = 588,189.82

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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.