Home / 869,474.20-1,304,220.30-238,387.96

Finding the Fourth Proportional to 869,474.20, 1,304,220.30 and 238,387.96

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Solution

The fourth proportional to 869,474.20, 1,304,220.30 and 238,387.96 is: 357,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,474.20 : 1,304,220.30 = 238,387.96 : x
  2. Step 2: Convert to fraction form
    869,474.20/1,304,220.30 = 238,387.96/x
  3. Step 3: Cross multiply
    869,474.20x = 1,304,220.30 × 238,387.96
  4. Step 4: Simplify right side
    869,474.20x = 310,910,416,707.59
  5. Step 5: Solve for x
    x = 310,910,416,707.59/869,474.20
  6. Step 6: Final answer
    x = 357,584.41

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1.5x scale

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.