Home / 777,718.80-1,166,578.20-328,116.24

Finding the Fourth Proportional to 777,718.80, 1,166,578.20 and 328,116.24

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Solution

The fourth proportional to 777,718.80, 1,166,578.20 and 328,116.24 is: 492,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,718.80 : 1,166,578.20 = 328,116.24 : x
  2. Step 2: Convert to fraction form
    777,718.80/1,166,578.20 = 328,116.24/x
  3. Step 3: Cross multiply
    777,718.80x = 1,166,578.20 × 328,116.24
  4. Step 4: Simplify right side
    777,718.80x = 382,773,252,649.97
  5. Step 5: Solve for x
    x = 382,773,252,649.97/777,718.80
  6. Step 6: Final answer
    x = 492,174.36

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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.