Home / 869,602.23-1,304,492.72-300,982.40

Finding the Fourth Proportional to 869,602.23, 1,304,492.72 and 300,982.40

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Solution

The fourth proportional to 869,602.23, 1,304,492.72 and 300,982.40 is: 451,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,602.23 : 1,304,492.72 = 300,982.40 : x
  2. Step 2: Convert to fraction form
    869,602.23/1,304,492.72 = 300,982.40/x
  3. Step 3: Cross multiply
    869,602.23x = 1,304,492.72 × 300,982.40
  4. Step 4: Simplify right side
    869,602.23x = 392,629,341,620.75
  5. Step 5: Solve for x
    x = 392,629,341,620.75/869,602.23
  6. Step 6: Final answer
    x = 451,504.53

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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.