Home / 979,269.59-1,468,735.09-259,616.04

Finding the Fourth Proportional to 979,269.59, 1,468,735.09 and 259,616.04

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Solution

The fourth proportional to 979,269.59, 1,468,735.09 and 259,616.04 is: 389,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,269.59 : 1,468,735.09 = 259,616.04 : x
  2. Step 2: Convert to fraction form
    979,269.59/1,468,735.09 = 259,616.04/x
  3. Step 3: Cross multiply
    979,269.59x = 1,468,735.09 × 259,616.04
  4. Step 4: Simplify right side
    979,269.59x = 381,307,187,225.80
  5. Step 5: Solve for x
    x = 381,307,187,225.80/979,269.59
  6. Step 6: Final answer
    x = 389,379.18

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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.