Home / 731,040.40-1,096,560.60-257,568.40

Finding the Fourth Proportional to 731,040.40, 1,096,560.60 and 257,568.40

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Solution

The fourth proportional to 731,040.40, 1,096,560.60 and 257,568.40 is: 386,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,040.40 : 1,096,560.60 = 257,568.40 : x
  2. Step 2: Convert to fraction form
    731,040.40/1,096,560.60 = 257,568.40/x
  3. Step 3: Cross multiply
    731,040.40x = 1,096,560.60 × 257,568.40
  4. Step 4: Simplify right side
    731,040.40x = 282,439,359,245.04
  5. Step 5: Solve for x
    x = 282,439,359,245.04/731,040.40
  6. Step 6: Final answer
    x = 386,352.60

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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.