Home / 754,780.92-1,132,134.48-281,429.34

Finding the Fourth Proportional to 754,780.92, 1,132,134.48 and 281,429.34

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Solution

The fourth proportional to 754,780.92, 1,132,134.48 and 281,429.34 is: 422,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,780.92 : 1,132,134.48 = 281,429.34 : x
  2. Step 2: Convert to fraction form
    754,780.92/1,132,134.48 = 281,429.34/x
  3. Step 3: Cross multiply
    754,780.92x = 1,132,134.48 × 281,429.34
  4. Step 4: Simplify right side
    754,780.92x = 318,615,859,497.64
  5. Step 5: Solve for x
    x = 318,615,859,497.64/754,780.92
  6. Step 6: Final answer
    x = 422,130.25

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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.