Home / 538,579.11-743,230.22-296,884.11

Finding the Fourth Proportional to 538,579.11, 743,230.22 and 296,884.11

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Solution

The fourth proportional to 538,579.11, 743,230.22 and 296,884.11 is: 409,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,579.11 : 743,230.22 = 296,884.11 : x
  2. Step 2: Convert to fraction form
    538,579.11/743,230.22 = 296,884.11/x
  3. Step 3: Cross multiply
    538,579.11x = 743,230.22 × 296,884.11
  4. Step 4: Simplify right side
    538,579.11x = 220,653,240,905.38
  5. Step 5: Solve for x
    x = 220,653,240,905.38/538,579.11
  6. Step 6: Final answer
    x = 409,695.13

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1.5x scale

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.