Home / 672,839.55-928,540.98-366,932.62

Finding the Fourth Proportional to 672,839.55, 928,540.98 and 366,932.62

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Solution

The fourth proportional to 672,839.55, 928,540.98 and 366,932.62 is: 506,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,839.55 : 928,540.98 = 366,932.62 : x
  2. Step 2: Convert to fraction form
    672,839.55/928,540.98 = 366,932.62/x
  3. Step 3: Cross multiply
    672,839.55x = 928,540.98 × 366,932.62
  4. Step 4: Simplify right side
    672,839.55x = 340,711,975,729.44
  5. Step 5: Solve for x
    x = 340,711,975,729.44/672,839.55
  6. Step 6: Final answer
    x = 506,379.23

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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.