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Finding the Fourth Proportional to 609,535.80, 851,250.60 and 609,535.80

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Solution

The fourth proportional to 609,535.80, 851,250.60 and 609,535.80 is: 851,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,535.80 : 851,250.60 = 609,535.80 : x
  2. Step 2: Convert to fraction form
    609,535.80/851,250.60 = 609,535.80/x
  3. Step 3: Cross multiply
    609,535.80x = 851,250.60 × 609,535.80
  4. Step 4: Simplify right side
    609,535.80x = 518,867,715,471.48
  5. Step 5: Solve for x
    x = 518,867,715,471.48/609,535.80
  6. Step 6: Final answer
    x = 851,250.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.