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Finding the Fourth Proportional to 671,937.40, 1,008,294.90 and 251,255.80

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Solution

The fourth proportional to 671,937.40, 1,008,294.90 and 251,255.80 is: 377,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,937.40 : 1,008,294.90 = 251,255.80 : x
  2. Step 2: Convert to fraction form
    671,937.40/1,008,294.90 = 251,255.80/x
  3. Step 3: Cross multiply
    671,937.40x = 1,008,294.90 × 251,255.80
  4. Step 4: Simplify right side
    671,937.40x = 253,339,941,735.42
  5. Step 5: Solve for x
    x = 253,339,941,735.42/671,937.40
  6. Step 6: Final answer
    x = 377,029.08

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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.