Home / 776,519.80-1,165,060.02-271,155.28

Finding the Fourth Proportional to 776,519.80, 1,165,060.02 and 271,155.28

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Solution

The fourth proportional to 776,519.80, 1,165,060.02 and 271,155.28 is: 406,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,519.80 : 1,165,060.02 = 271,155.28 : x
  2. Step 2: Convert to fraction form
    776,519.80/1,165,060.02 = 271,155.28/x
  3. Step 3: Cross multiply
    776,519.80x = 1,165,060.02 × 271,155.28
  4. Step 4: Simplify right side
    776,519.80x = 315,912,175,939.91
  5. Step 5: Solve for x
    x = 315,912,175,939.91/776,519.80
  6. Step 6: Final answer
    x = 406,830.81

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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.