Home / 754,940.79-1,132,061.22-281,499.03

Finding the Fourth Proportional to 754,940.79, 1,132,061.22 and 281,499.03

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Solution

The fourth proportional to 754,940.79, 1,132,061.22 and 281,499.03 is: 422,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,940.79 : 1,132,061.22 = 281,499.03 : x
  2. Step 2: Convert to fraction form
    754,940.79/1,132,061.22 = 281,499.03/x
  3. Step 3: Cross multiply
    754,940.79x = 1,132,061.22 × 281,499.03
  4. Step 4: Simplify right side
    754,940.79x = 318,674,135,330.62
  5. Step 5: Solve for x
    x = 318,674,135,330.62/754,940.79
  6. Step 6: Final answer
    x = 422,118.05

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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.