Home / 731,471.20-1,097,206.80-258,152.80

Finding the Fourth Proportional to 731,471.20, 1,097,206.80 and 258,152.80

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Solution

The fourth proportional to 731,471.20, 1,097,206.80 and 258,152.80 is: 387,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,471.20 : 1,097,206.80 = 258,152.80 : x
  2. Step 2: Convert to fraction form
    731,471.20/1,097,206.80 = 258,152.80/x
  3. Step 3: Cross multiply
    731,471.20x = 1,097,206.80 × 258,152.80
  4. Step 4: Simplify right side
    731,471.20x = 283,247,007,599.04
  5. Step 5: Solve for x
    x = 283,247,007,599.04/731,471.20
  6. Step 6: Final answer
    x = 387,229.20

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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.