Home / 729,246.60-1,093,869.90-255,979.80

Finding the Fourth Proportional to 729,246.60, 1,093,869.90 and 255,979.80

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Solution

The fourth proportional to 729,246.60, 1,093,869.90 and 255,979.80 is: 383,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,246.60 : 1,093,869.90 = 255,979.80 : x
  2. Step 2: Convert to fraction form
    729,246.60/1,093,869.90 = 255,979.80/x
  3. Step 3: Cross multiply
    729,246.60x = 1,093,869.90 × 255,979.80
  4. Step 4: Simplify right side
    729,246.60x = 280,008,598,228.02
  5. Step 5: Solve for x
    x = 280,008,598,228.02/729,246.60
  6. Step 6: Final answer
    x = 383,969.70

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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.