Home / 753,159.36-1,129,748.22-220,691.16

Finding the Fourth Proportional to 753,159.36, 1,129,748.22 and 220,691.16

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Solution

The fourth proportional to 753,159.36, 1,129,748.22 and 220,691.16 is: 331,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,159.36 : 1,129,748.22 = 220,691.16 : x
  2. Step 2: Convert to fraction form
    753,159.36/1,129,748.22 = 220,691.16/x
  3. Step 3: Cross multiply
    753,159.36x = 1,129,748.22 × 220,691.16
  4. Step 4: Simplify right side
    753,159.36x = 249,325,445,179.74
  5. Step 5: Solve for x
    x = 249,325,445,179.74/753,159.36
  6. Step 6: Final answer
    x = 331,039.43

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Double scale
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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.