Home / 869,602.40-1,304,492.99-300,982.58

Finding the Fourth Proportional to 869,602.40, 1,304,492.99 and 300,982.58

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Solution

The fourth proportional to 869,602.40, 1,304,492.99 and 300,982.58 is: 451,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,602.40 : 1,304,492.99 = 300,982.58 : x
  2. Step 2: Convert to fraction form
    869,602.40/1,304,492.99 = 300,982.58/x
  3. Step 3: Cross multiply
    869,602.40x = 1,304,492.99 × 300,982.58
  4. Step 4: Simplify right side
    869,602.40x = 392,629,667,478.43
  5. Step 5: Solve for x
    x = 392,629,667,478.43/869,602.40
  6. Step 6: Final answer
    x = 451,504.81

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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.