Home / 754,699.24-1,131,115.74-380,829.16

Finding the Fourth Proportional to 754,699.24, 1,131,115.74 and 380,829.16

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Solution

The fourth proportional to 754,699.24, 1,131,115.74 and 380,829.16 is: 570,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,699.24 : 1,131,115.74 = 380,829.16 : x
  2. Step 2: Convert to fraction form
    754,699.24/1,131,115.74 = 380,829.16/x
  3. Step 3: Cross multiply
    754,699.24x = 1,131,115.74 × 380,829.16
  4. Step 4: Simplify right side
    754,699.24x = 430,761,857,126.98
  5. Step 5: Solve for x
    x = 430,761,857,126.98/754,699.24
  6. Step 6: Final answer
    x = 570,772.88

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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.