Home / 869,502.45-1,304,474.42-270,468.11

Finding the Fourth Proportional to 869,502.45, 1,304,474.42 and 270,468.11

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Solution

The fourth proportional to 869,502.45, 1,304,474.42 and 270,468.11 is: 405,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,502.45 : 1,304,474.42 = 270,468.11 : x
  2. Step 2: Convert to fraction form
    869,502.45/1,304,474.42 = 270,468.11/x
  3. Step 3: Cross multiply
    869,502.45x = 1,304,474.42 × 270,468.11
  4. Step 4: Simplify right side
    869,502.45x = 352,818,734,858.10
  5. Step 5: Solve for x
    x = 352,818,734,858.10/869,502.45
  6. Step 6: Final answer
    x = 405,770.84

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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.