Home / 954,613.04-1,431,718.16-280,511.28

Finding the Fourth Proportional to 954,613.04, 1,431,718.16 and 280,511.28

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Solution

The fourth proportional to 954,613.04, 1,431,718.16 and 280,511.28 is: 420,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,613.04 : 1,431,718.16 = 280,511.28 : x
  2. Step 2: Convert to fraction form
    954,613.04/1,431,718.16 = 280,511.28/x
  3. Step 3: Cross multiply
    954,613.04x = 1,431,718.16 × 280,511.28
  4. Step 4: Simplify right side
    954,613.04x = 401,613,093,660.85
  5. Step 5: Solve for x
    x = 401,613,093,660.85/954,613.04
  6. Step 6: Final answer
    x = 420,707.74

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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.