Home / 869,602.35-1,304,492.90-300,982.52

Finding the Fourth Proportional to 869,602.35, 1,304,492.90 and 300,982.52

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Solution

The fourth proportional to 869,602.35, 1,304,492.90 and 300,982.52 is: 451,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,602.35 : 1,304,492.90 = 300,982.52 : x
  2. Step 2: Convert to fraction form
    869,602.35/1,304,492.90 = 300,982.52/x
  3. Step 3: Cross multiply
    869,602.35x = 1,304,492.90 × 300,982.52
  4. Step 4: Simplify right side
    869,602.35x = 392,629,560,364.11
  5. Step 5: Solve for x
    x = 392,629,560,364.11/869,602.35
  6. Step 6: Final answer
    x = 451,504.71

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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.