Home / 578,876.85-868,315.28-204,937.65

Finding the Fourth Proportional to 578,876.85, 868,315.28 and 204,937.65

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Solution

The fourth proportional to 578,876.85, 868,315.28 and 204,937.65 is: 307,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,876.85 : 868,315.28 = 204,937.65 : x
  2. Step 2: Convert to fraction form
    578,876.85/868,315.28 = 204,937.65/x
  3. Step 3: Cross multiply
    578,876.85x = 868,315.28 × 204,937.65
  4. Step 4: Simplify right side
    578,876.85x = 177,950,491,917.60
  5. Step 5: Solve for x
    x = 177,950,491,917.60/578,876.85
  6. Step 6: Final answer
    x = 307,406.48

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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.