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Finding the Fourth Proportional to 559,469.80, 837,236.40 and 512,230.60

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Solution

The fourth proportional to 559,469.80, 837,236.40 and 512,230.60 is: 766,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,469.80 : 837,236.40 = 512,230.60 : x
  2. Step 2: Convert to fraction form
    559,469.80/837,236.40 = 512,230.60/x
  3. Step 3: Cross multiply
    559,469.80x = 837,236.40 × 512,230.60
  4. Step 4: Simplify right side
    559,469.80x = 428,858,103,513.84
  5. Step 5: Solve for x
    x = 428,858,103,513.84/559,469.80
  6. Step 6: Final answer
    x = 766,543.79

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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.