Home / 777,716.65-1,165,864.20-658,540.95

Finding the Fourth Proportional to 777,716.65, 1,165,864.20 and 658,540.95

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Solution

The fourth proportional to 777,716.65, 1,165,864.20 and 658,540.95 is: 987,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,716.65 : 1,165,864.20 = 658,540.95 : x
  2. Step 2: Convert to fraction form
    777,716.65/1,165,864.20 = 658,540.95/x
  3. Step 3: Cross multiply
    777,716.65x = 1,165,864.20 × 658,540.95
  4. Step 4: Simplify right side
    777,716.65x = 767,769,317,838.99
  5. Step 5: Solve for x
    x = 767,769,317,838.99/777,716.65
  6. Step 6: Final answer
    x = 987,209.57

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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.