Home / 671,489.50-1,007,234.40-222,089.80

Finding the Fourth Proportional to 671,489.50, 1,007,234.40 and 222,089.80

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Solution

The fourth proportional to 671,489.50, 1,007,234.40 and 222,089.80 is: 333,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,489.50 : 1,007,234.40 = 222,089.80 : x
  2. Step 2: Convert to fraction form
    671,489.50/1,007,234.40 = 222,089.80/x
  3. Step 3: Cross multiply
    671,489.50x = 1,007,234.40 × 222,089.80
  4. Step 4: Simplify right side
    671,489.50x = 223,696,486,449.12
  5. Step 5: Solve for x
    x = 223,696,486,449.12/671,489.50
  6. Step 6: Final answer
    x = 333,134.75

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Double scale
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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.