Home / 669,517.03-924,067.61-397,735.91

Finding the Fourth Proportional to 669,517.03, 924,067.61 and 397,735.91

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Solution

The fourth proportional to 669,517.03, 924,067.61 and 397,735.91 is: 548,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,517.03 : 924,067.61 = 397,735.91 : x
  2. Step 2: Convert to fraction form
    669,517.03/924,067.61 = 397,735.91/x
  3. Step 3: Cross multiply
    669,517.03x = 924,067.61 × 397,735.91
  4. Step 4: Simplify right side
    669,517.03x = 367,534,871,764.88
  5. Step 5: Solve for x
    x = 367,534,871,764.88/669,517.03
  6. Step 6: Final answer
    x = 548,955.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.