Home / 726,861.20-1,091,458.20-491,248.40

Finding the Fourth Proportional to 726,861.20, 1,091,458.20 and 491,248.40

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Solution

The fourth proportional to 726,861.20, 1,091,458.20 and 491,248.40 is: 737,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,861.20 : 1,091,458.20 = 491,248.40 : x
  2. Step 2: Convert to fraction form
    726,861.20/1,091,458.20 = 491,248.40/x
  3. Step 3: Cross multiply
    726,861.20x = 1,091,458.20 × 491,248.40
  4. Step 4: Simplify right side
    726,861.20x = 536,177,094,416.88
  5. Step 5: Solve for x
    x = 536,177,094,416.88/726,861.20
  6. Step 6: Final answer
    x = 737,660.91

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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.