Home / 689,677.20-1,033,900.20-268,855.20

Finding the Fourth Proportional to 689,677.20, 1,033,900.20 and 268,855.20

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Solution

The fourth proportional to 689,677.20, 1,033,900.20 and 268,855.20 is: 403,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,677.20 : 1,033,900.20 = 268,855.20 : x
  2. Step 2: Convert to fraction form
    689,677.20/1,033,900.20 = 268,855.20/x
  3. Step 3: Cross multiply
    689,677.20x = 1,033,900.20 × 268,855.20
  4. Step 4: Simplify right side
    689,677.20x = 277,969,445,051.04
  5. Step 5: Solve for x
    x = 277,969,445,051.04/689,677.20
  6. Step 6: Final answer
    x = 403,042.82

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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.