Home / 731,102.40-1,096,264.80-309,902.40

Finding the Fourth Proportional to 731,102.40, 1,096,264.80 and 309,902.40

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Solution

The fourth proportional to 731,102.40, 1,096,264.80 and 309,902.40 is: 464,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,102.40 : 1,096,264.80 = 309,902.40 : x
  2. Step 2: Convert to fraction form
    731,102.40/1,096,264.80 = 309,902.40/x
  3. Step 3: Cross multiply
    731,102.40x = 1,096,264.80 × 309,902.40
  4. Step 4: Simplify right side
    731,102.40x = 339,735,092,555.52
  5. Step 5: Solve for x
    x = 339,735,092,555.52/731,102.40
  6. Step 6: Final answer
    x = 464,688.79

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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.