Home / 754,262.64-1,131,707.28-305,300.88

Finding the Fourth Proportional to 754,262.64, 1,131,707.28 and 305,300.88

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Solution

The fourth proportional to 754,262.64, 1,131,707.28 and 305,300.88 is: 458,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,262.64 : 1,131,707.28 = 305,300.88 : x
  2. Step 2: Convert to fraction form
    754,262.64/1,131,707.28 = 305,300.88/x
  3. Step 3: Cross multiply
    754,262.64x = 1,131,707.28 × 305,300.88
  4. Step 4: Simplify right side
    754,262.64x = 345,511,228,486.41
  5. Step 5: Solve for x
    x = 345,511,228,486.41/754,262.64
  6. Step 6: Final answer
    x = 458,078.14

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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.