Home / 538,619.20-743,265.60-296,853.64

Finding the Fourth Proportional to 538,619.20, 743,265.60 and 296,853.64

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Solution

The fourth proportional to 538,619.20, 743,265.60 and 296,853.64 is: 409,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,619.20 : 743,265.60 = 296,853.64 : x
  2. Step 2: Convert to fraction form
    538,619.20/743,265.60 = 296,853.64/x
  3. Step 3: Cross multiply
    538,619.20x = 743,265.60 × 296,853.64
  4. Step 4: Simplify right side
    538,619.20x = 220,641,098,846.78
  5. Step 5: Solve for x
    x = 220,641,098,846.78/538,619.20
  6. Step 6: Final answer
    x = 409,642.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.