Home / 731,048.40-1,096,572.60-310,269.60

Finding the Fourth Proportional to 731,048.40, 1,096,572.60 and 310,269.60

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Solution

The fourth proportional to 731,048.40, 1,096,572.60 and 310,269.60 is: 465,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,048.40 : 1,096,572.60 = 310,269.60 : x
  2. Step 2: Convert to fraction form
    731,048.40/1,096,572.60 = 310,269.60/x
  3. Step 3: Cross multiply
    731,048.40x = 1,096,572.60 × 310,269.60
  4. Step 4: Simplify right side
    731,048.40x = 340,233,141,972.96
  5. Step 5: Solve for x
    x = 340,233,141,972.96/731,048.40
  6. Step 6: Final answer
    x = 465,404.40

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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.