Home / 731,781.09-1,097,638.70-305,141.13

Finding the Fourth Proportional to 731,781.09, 1,097,638.70 and 305,141.13

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Solution

The fourth proportional to 731,781.09, 1,097,638.70 and 305,141.13 is: 457,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,781.09 : 1,097,638.70 = 305,141.13 : x
  2. Step 2: Convert to fraction form
    731,781.09/1,097,638.70 = 305,141.13/x
  3. Step 3: Cross multiply
    731,781.09x = 1,097,638.70 × 305,141.13
  4. Step 4: Simplify right side
    731,781.09x = 334,934,711,724.03
  5. Step 5: Solve for x
    x = 334,934,711,724.03/731,781.09
  6. Step 6: Final answer
    x = 457,697.96

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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.