Home / 869,850.87-1,304,813.21-270,823.37

Finding the Fourth Proportional to 869,850.87, 1,304,813.21 and 270,823.37

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Solution

The fourth proportional to 869,850.87, 1,304,813.21 and 270,823.37 is: 406,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,850.87 : 1,304,813.21 = 270,823.37 : x
  2. Step 2: Convert to fraction form
    869,850.87/1,304,813.21 = 270,823.37/x
  3. Step 3: Cross multiply
    869,850.87x = 1,304,813.21 × 270,823.37
  4. Step 4: Simplify right side
    869,850.87x = 353,373,910,752.72
  5. Step 5: Solve for x
    x = 353,373,910,752.72/869,850.87
  6. Step 6: Final answer
    x = 406,246.55

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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.