Home / 754,267.64-1,131,714.78-305,305.88

Finding the Fourth Proportional to 754,267.64, 1,131,714.78 and 305,305.88

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Solution

The fourth proportional to 754,267.64, 1,131,714.78 and 305,305.88 is: 458,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,267.64 : 1,131,714.78 = 305,305.88 : x
  2. Step 2: Convert to fraction form
    754,267.64/1,131,714.78 = 305,305.88/x
  3. Step 3: Cross multiply
    754,267.64x = 1,131,714.78 × 305,305.88
  4. Step 4: Simplify right side
    754,267.64x = 345,519,176,816.91
  5. Step 5: Solve for x
    x = 345,519,176,816.91/754,267.64
  6. Step 6: Final answer
    x = 458,085.64

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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.