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Finding the Fourth Proportional to 341,732.40, 512,598.60 and 324,625.20

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Solution

The fourth proportional to 341,732.40, 512,598.60 and 324,625.20 is: 486,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,732.40 : 512,598.60 = 324,625.20 : x
  2. Step 2: Convert to fraction form
    341,732.40/512,598.60 = 324,625.20/x
  3. Step 3: Cross multiply
    341,732.40x = 512,598.60 × 324,625.20
  4. Step 4: Simplify right side
    341,732.40x = 166,402,423,044.72
  5. Step 5: Solve for x
    x = 166,402,423,044.72/341,732.40
  6. Step 6: Final answer
    x = 486,937.80

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1.5x scale

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.