Home / 753,165.77-1,129,757.78-220,697.60

Finding the Fourth Proportional to 753,165.77, 1,129,757.78 and 220,697.60

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Solution

The fourth proportional to 753,165.77, 1,129,757.78 and 220,697.60 is: 331,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,165.77 : 1,129,757.78 = 220,697.60 : x
  2. Step 2: Convert to fraction form
    753,165.77/1,129,757.78 = 220,697.60/x
  3. Step 3: Cross multiply
    753,165.77x = 1,129,757.78 × 220,697.60
  4. Step 4: Simplify right side
    753,165.77x = 249,334,825,530.28
  5. Step 5: Solve for x
    x = 249,334,825,530.28/753,165.77
  6. Step 6: Final answer
    x = 331,049.07

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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.