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Finding the Fourth Proportional to 597,425.78, 824,447.22 and 329,153.78

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Solution

The fourth proportional to 597,425.78, 824,447.22 and 329,153.78 is: 454,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,425.78 : 824,447.22 = 329,153.78 : x
  2. Step 2: Convert to fraction form
    597,425.78/824,447.22 = 329,153.78/x
  3. Step 3: Cross multiply
    597,425.78x = 824,447.22 × 329,153.78
  4. Step 4: Simplify right side
    597,425.78x = 271,369,918,873.49
  5. Step 5: Solve for x
    x = 271,369,918,873.49/597,425.78
  6. Step 6: Final answer
    x = 454,232.02

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Double scale
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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.