Home / 753,165.64-1,129,757.60-220,697.47

Finding the Fourth Proportional to 753,165.64, 1,129,757.60 and 220,697.47

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Solution

The fourth proportional to 753,165.64, 1,129,757.60 and 220,697.47 is: 331,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,165.64 : 1,129,757.60 = 220,697.47 : x
  2. Step 2: Convert to fraction form
    753,165.64/1,129,757.60 = 220,697.47/x
  3. Step 3: Cross multiply
    753,165.64x = 1,129,757.60 × 220,697.47
  4. Step 4: Simplify right side
    753,165.64x = 249,334,644,033.27
  5. Step 5: Solve for x
    x = 249,334,644,033.27/753,165.64
  6. Step 6: Final answer
    x = 331,048.88

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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.