Home / 777,715.65-1,165,862.70-658,539.95

Finding the Fourth Proportional to 777,715.65, 1,165,862.70 and 658,539.95

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Solution

The fourth proportional to 777,715.65, 1,165,862.70 and 658,539.95 is: 987,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,715.65 : 1,165,862.70 = 658,539.95 : x
  2. Step 2: Convert to fraction form
    777,715.65/1,165,862.70 = 658,539.95/x
  3. Step 3: Cross multiply
    777,715.65x = 1,165,862.70 × 658,539.95
  4. Step 4: Simplify right side
    777,715.65x = 767,767,158,335.55
  5. Step 5: Solve for x
    x = 767,767,158,335.55/777,715.65
  6. Step 6: Final answer
    x = 987,208.06

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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.