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Finding the Fourth Proportional to 329,396.68, 452,822.15 and 283,287.70

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Solution

The fourth proportional to 329,396.68, 452,822.15 and 283,287.70 is: 389,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,396.68 : 452,822.15 = 283,287.70 : x
  2. Step 2: Convert to fraction form
    329,396.68/452,822.15 = 283,287.70/x
  3. Step 3: Cross multiply
    329,396.68x = 452,822.15 × 283,287.70
  4. Step 4: Simplify right side
    329,396.68x = 128,278,945,382.56
  5. Step 5: Solve for x
    x = 128,278,945,382.56/329,396.68
  6. Step 6: Final answer
    x = 389,436.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.