Home / 755,375.63-1,132,951.57-275,490.88

Finding the Fourth Proportional to 755,375.63, 1,132,951.57 and 275,490.88

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Solution

The fourth proportional to 755,375.63, 1,132,951.57 and 275,490.88 is: 413,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,375.63 : 1,132,951.57 = 275,490.88 : x
  2. Step 2: Convert to fraction form
    755,375.63/1,132,951.57 = 275,490.88/x
  3. Step 3: Cross multiply
    755,375.63x = 1,132,951.57 × 275,490.88
  4. Step 4: Simplify right side
    755,375.63x = 312,117,821,495.58
  5. Step 5: Solve for x
    x = 312,117,821,495.58/755,375.63
  6. Step 6: Final answer
    x = 413,195.52

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1.5x scale

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.