Home / 716,718.72-1,074,107.52-273,244.80

Finding the Fourth Proportional to 716,718.72, 1,074,107.52 and 273,244.80

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Solution

The fourth proportional to 716,718.72, 1,074,107.52 and 273,244.80 is: 409,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,718.72 : 1,074,107.52 = 273,244.80 : x
  2. Step 2: Convert to fraction form
    716,718.72/1,074,107.52 = 273,244.80/x
  3. Step 3: Cross multiply
    716,718.72x = 1,074,107.52 × 273,244.80
  4. Step 4: Simplify right side
    716,718.72x = 293,494,294,480.90
  5. Step 5: Solve for x
    x = 293,494,294,480.90/716,718.72
  6. Step 6: Final answer
    x = 409,497.18

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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.