Home / 727,793.90-1,091,690.85-499,471.10

Finding the Fourth Proportional to 727,793.90, 1,091,690.85 and 499,471.10

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Solution

The fourth proportional to 727,793.90, 1,091,690.85 and 499,471.10 is: 749,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,793.90 : 1,091,690.85 = 499,471.10 : x
  2. Step 2: Convert to fraction form
    727,793.90/1,091,690.85 = 499,471.10/x
  3. Step 3: Cross multiply
    727,793.90x = 1,091,690.85 × 499,471.10
  4. Step 4: Simplify right side
    727,793.90x = 545,268,029,709.44
  5. Step 5: Solve for x
    x = 545,268,029,709.44/727,793.90
  6. Step 6: Final answer
    x = 749,206.65

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Double scale
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Similar ratio
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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.