Home / 769,269.76-1,154,013.84-236,835.04

Finding the Fourth Proportional to 769,269.76, 1,154,013.84 and 236,835.04

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Solution

The fourth proportional to 769,269.76, 1,154,013.84 and 236,835.04 is: 355,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,269.76 : 1,154,013.84 = 236,835.04 : x
  2. Step 2: Convert to fraction form
    769,269.76/1,154,013.84 = 236,835.04/x
  3. Step 3: Cross multiply
    769,269.76x = 1,154,013.84 × 236,835.04
  4. Step 4: Simplify right side
    769,269.76x = 273,310,913,956.95
  5. Step 5: Solve for x
    x = 273,310,913,956.95/769,269.76
  6. Step 6: Final answer
    x = 355,286.18

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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.