Home / 869,849.87-1,304,811.71-270,822.37

Finding the Fourth Proportional to 869,849.87, 1,304,811.71 and 270,822.37

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Solution

The fourth proportional to 869,849.87, 1,304,811.71 and 270,822.37 is: 406,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,849.87 : 1,304,811.71 = 270,822.37 : x
  2. Step 2: Convert to fraction form
    869,849.87/1,304,811.71 = 270,822.37/x
  3. Step 3: Cross multiply
    869,849.87x = 1,304,811.71 × 270,822.37
  4. Step 4: Simplify right side
    869,849.87x = 353,372,199,705.95
  5. Step 5: Solve for x
    x = 353,372,199,705.95/869,849.87
  6. Step 6: Final answer
    x = 406,245.05

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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.