Home / 982,480.79-1,473,721.07-272,508.83

Finding the Fourth Proportional to 982,480.79, 1,473,721.07 and 272,508.83

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Solution

The fourth proportional to 982,480.79, 1,473,721.07 and 272,508.83 is: 408,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,480.79 : 1,473,721.07 = 272,508.83 : x
  2. Step 2: Convert to fraction form
    982,480.79/1,473,721.07 = 272,508.83/x
  3. Step 3: Cross multiply
    982,480.79x = 1,473,721.07 × 272,508.83
  4. Step 4: Simplify right side
    982,480.79x = 401,602,001,327.35
  5. Step 5: Solve for x
    x = 401,602,001,327.35/982,480.79
  6. Step 6: Final answer
    x = 408,763.21

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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.