Home / 869,722.61-1,304,706.92-270,744.21

Finding the Fourth Proportional to 869,722.61, 1,304,706.92 and 270,744.21

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Solution

The fourth proportional to 869,722.61, 1,304,706.92 and 270,744.21 is: 406,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,722.61 : 1,304,706.92 = 270,744.21 : x
  2. Step 2: Convert to fraction form
    869,722.61/1,304,706.92 = 270,744.21/x
  3. Step 3: Cross multiply
    869,722.61x = 1,304,706.92 × 270,744.21
  4. Step 4: Simplify right side
    869,722.61x = 353,241,842,983.21
  5. Step 5: Solve for x
    x = 353,241,842,983.21/869,722.61
  6. Step 6: Final answer
    x = 406,154.61

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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.