Home / 954,717.72-1,431,854.82-280,618.68

Finding the Fourth Proportional to 954,717.72, 1,431,854.82 and 280,618.68

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Solution

The fourth proportional to 954,717.72, 1,431,854.82 and 280,618.68 is: 420,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,717.72 : 1,431,854.82 = 280,618.68 : x
  2. Step 2: Convert to fraction form
    954,717.72/1,431,854.82 = 280,618.68/x
  3. Step 3: Cross multiply
    954,717.72x = 1,431,854.82 × 280,618.68
  4. Step 4: Simplify right side
    954,717.72x = 401,805,209,540.04
  5. Step 5: Solve for x
    x = 401,805,209,540.04/954,717.72
  6. Step 6: Final answer
    x = 420,862.84

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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.