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Finding the Fourth Proportional to 547,452.80, 819,796.80 and 436,860.80

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Solution

The fourth proportional to 547,452.80, 819,796.80 and 436,860.80 is: 654,188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,452.80 : 819,796.80 = 436,860.80 : x
  2. Step 2: Convert to fraction form
    547,452.80/819,796.80 = 436,860.80/x
  3. Step 3: Cross multiply
    547,452.80x = 819,796.80 × 436,860.80
  4. Step 4: Simplify right side
    547,452.80x = 358,137,085,885.44
  5. Step 5: Solve for x
    x = 358,137,085,885.44/547,452.80
  6. Step 6: Final answer
    x = 654,188.06

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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.