Home / 605,631.80-908,447.70-268,542.20

Finding the Fourth Proportional to 605,631.80, 908,447.70 and 268,542.20

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Solution

The fourth proportional to 605,631.80, 908,447.70 and 268,542.20 is: 402,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,631.80 : 908,447.70 = 268,542.20 : x
  2. Step 2: Convert to fraction form
    605,631.80/908,447.70 = 268,542.20/x
  3. Step 3: Cross multiply
    605,631.80x = 908,447.70 × 268,542.20
  4. Step 4: Simplify right side
    605,631.80x = 243,956,543,942.94
  5. Step 5: Solve for x
    x = 243,956,543,942.94/605,631.80
  6. Step 6: Final answer
    x = 402,813.30

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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.