Home / 676,877.91-1,015,309.57-277,429.65

Finding the Fourth Proportional to 676,877.91, 1,015,309.57 and 277,429.65

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Solution

The fourth proportional to 676,877.91, 1,015,309.57 and 277,429.65 is: 416,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,877.91 : 1,015,309.57 = 277,429.65 : x
  2. Step 2: Convert to fraction form
    676,877.91/1,015,309.57 = 277,429.65/x
  3. Step 3: Cross multiply
    676,877.91x = 1,015,309.57 × 277,429.65
  4. Step 4: Simplify right side
    676,877.91x = 281,676,978,646.75
  5. Step 5: Solve for x
    x = 281,676,978,646.75/676,877.91
  6. Step 6: Final answer
    x = 416,141.49

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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.