Home / 754,712.64-1,131,544.08-281,270.88

Finding the Fourth Proportional to 754,712.64, 1,131,544.08 and 281,270.88

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Solution

The fourth proportional to 754,712.64, 1,131,544.08 and 281,270.88 is: 421,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,712.64 : 1,131,544.08 = 281,270.88 : x
  2. Step 2: Convert to fraction form
    754,712.64/1,131,544.08 = 281,270.88/x
  3. Step 3: Cross multiply
    754,712.64x = 1,131,544.08 × 281,270.88
  4. Step 4: Simplify right side
    754,712.64x = 318,270,399,140.39
  5. Step 5: Solve for x
    x = 318,270,399,140.39/754,712.64
  6. Step 6: Final answer
    x = 421,710.70

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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.