Home / 869,470.20-1,304,214.30-238,383.96

Finding the Fourth Proportional to 869,470.20, 1,304,214.30 and 238,383.96

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Solution

The fourth proportional to 869,470.20, 1,304,214.30 and 238,383.96 is: 357,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,470.20 : 1,304,214.30 = 238,383.96 : x
  2. Step 2: Convert to fraction form
    869,470.20/1,304,214.30 = 238,383.96/x
  3. Step 3: Cross multiply
    869,470.20x = 1,304,214.30 × 238,383.96
  4. Step 4: Simplify right side
    869,470.20x = 310,903,769,522.63
  5. Step 5: Solve for x
    x = 310,903,769,522.63/869,470.20
  6. Step 6: Final answer
    x = 357,578.41

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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.