Home / 489,087.22-674,931.72-274,226.62

Finding the Fourth Proportional to 489,087.22, 674,931.72 and 274,226.62

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Solution

The fourth proportional to 489,087.22, 674,931.72 and 274,226.62 is: 378,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,087.22 : 674,931.72 = 274,226.62 : x
  2. Step 2: Convert to fraction form
    489,087.22/674,931.72 = 274,226.62/x
  3. Step 3: Cross multiply
    489,087.22x = 674,931.72 × 274,226.62
  4. Step 4: Simplify right side
    489,087.22x = 185,084,244,306.39
  5. Step 5: Solve for x
    x = 185,084,244,306.39/489,087.22
  6. Step 6: Final answer
    x = 378,427.89

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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.