Home / 982,487.79-1,473,731.56-272,515.84

Finding the Fourth Proportional to 982,487.79, 1,473,731.56 and 272,515.84

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Solution

The fourth proportional to 982,487.79, 1,473,731.56 and 272,515.84 is: 408,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,487.79 : 1,473,731.56 = 272,515.84 : x
  2. Step 2: Convert to fraction form
    982,487.79/1,473,731.56 = 272,515.84/x
  3. Step 3: Cross multiply
    982,487.79x = 1,473,731.56 × 272,515.84
  4. Step 4: Simplify right side
    982,487.79x = 401,615,194,007.91
  5. Step 5: Solve for x
    x = 401,615,194,007.91/982,487.79
  6. Step 6: Final answer
    x = 408,773.73

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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.