Home / 777,630.75-1,166,446.14-186,654.75

Finding the Fourth Proportional to 777,630.75, 1,166,446.14 and 186,654.75

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Solution

The fourth proportional to 777,630.75, 1,166,446.14 and 186,654.75 is: 279,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,630.75 : 1,166,446.14 = 186,654.75 : x
  2. Step 2: Convert to fraction form
    777,630.75/1,166,446.14 = 186,654.75/x
  3. Step 3: Cross multiply
    777,630.75x = 1,166,446.14 × 186,654.75
  4. Step 4: Simplify right side
    777,630.75x = 217,722,712,650.17
  5. Step 5: Solve for x
    x = 217,722,712,650.17/777,630.75
  6. Step 6: Final answer
    x = 279,982.13

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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.