Home / 869,766.55-1,304,337.13-300,993.19

Finding the Fourth Proportional to 869,766.55, 1,304,337.13 and 300,993.19

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Solution

The fourth proportional to 869,766.55, 1,304,337.13 and 300,993.19 is: 451,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,766.55 : 1,304,337.13 = 300,993.19 : x
  2. Step 2: Convert to fraction form
    869,766.55/1,304,337.13 = 300,993.19/x
  3. Step 3: Cross multiply
    869,766.55x = 1,304,337.13 × 300,993.19
  4. Step 4: Simplify right side
    869,766.55x = 392,596,589,580.82
  5. Step 5: Solve for x
    x = 392,596,589,580.82/869,766.55
  6. Step 6: Final answer
    x = 451,381.57

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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.