Home / 869,503.45-1,304,475.92-270,469.11

Finding the Fourth Proportional to 869,503.45, 1,304,475.92 and 270,469.11

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Solution

The fourth proportional to 869,503.45, 1,304,475.92 and 270,469.11 is: 405,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,503.45 : 1,304,475.92 = 270,469.11 : x
  2. Step 2: Convert to fraction form
    869,503.45/1,304,475.92 = 270,469.11/x
  3. Step 3: Cross multiply
    869,503.45x = 1,304,475.92 × 270,469.11
  4. Step 4: Simplify right side
    869,503.45x = 352,820,441,098.83
  5. Step 5: Solve for x
    x = 352,820,441,098.83/869,503.45
  6. Step 6: Final answer
    x = 405,772.33

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1.5x scale

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.