Home / 982,490.90-1,473,736.25-272,518.97

Finding the Fourth Proportional to 982,490.90, 1,473,736.25 and 272,518.97

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Solution

The fourth proportional to 982,490.90, 1,473,736.25 and 272,518.97 is: 408,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,490.90 : 1,473,736.25 = 272,518.97 : x
  2. Step 2: Convert to fraction form
    982,490.90/1,473,736.25 = 272,518.97/x
  3. Step 3: Cross multiply
    982,490.90x = 1,473,736.25 × 272,518.97
  4. Step 4: Simplify right side
    982,490.90x = 401,621,078,214.28
  5. Step 5: Solve for x
    x = 401,621,078,214.28/982,490.90
  6. Step 6: Final answer
    x = 408,778.42

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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.