Home / 641,158.26-962,068.53-281,581.65

Finding the Fourth Proportional to 641,158.26, 962,068.53 and 281,581.65

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Solution

The fourth proportional to 641,158.26, 962,068.53 and 281,581.65 is: 422,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,158.26 : 962,068.53 = 281,581.65 : x
  2. Step 2: Convert to fraction form
    641,158.26/962,068.53 = 281,581.65/x
  3. Step 3: Cross multiply
    641,158.26x = 962,068.53 × 281,581.65
  4. Step 4: Simplify right side
    641,158.26x = 270,900,844,090.48
  5. Step 5: Solve for x
    x = 270,900,844,090.48/641,158.26
  6. Step 6: Final answer
    x = 422,517.90

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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.