Home / 484,077.24-667,326.28-320,459.56

Finding the Fourth Proportional to 484,077.24, 667,326.28 and 320,459.56

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Solution

The fourth proportional to 484,077.24, 667,326.28 and 320,459.56 is: 441,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,077.24 : 667,326.28 = 320,459.56 : x
  2. Step 2: Convert to fraction form
    484,077.24/667,326.28 = 320,459.56/x
  3. Step 3: Cross multiply
    484,077.24x = 667,326.28 × 320,459.56
  4. Step 4: Simplify right side
    484,077.24x = 213,851,086,065.24
  5. Step 5: Solve for x
    x = 213,851,086,065.24/484,077.24
  6. Step 6: Final answer
    x = 441,770.59

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1.5x scale

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.