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Finding the Fourth Proportional to 437,896.70, 656,845.05 and 367,037.90

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Solution

The fourth proportional to 437,896.70, 656,845.05 and 367,037.90 is: 550,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,896.70 : 656,845.05 = 367,037.90 : x
  2. Step 2: Convert to fraction form
    437,896.70/656,845.05 = 367,037.90/x
  3. Step 3: Cross multiply
    437,896.70x = 656,845.05 × 367,037.90
  4. Step 4: Simplify right side
    437,896.70x = 241,087,027,777.40
  5. Step 5: Solve for x
    x = 241,087,027,777.40/437,896.70
  6. Step 6: Final answer
    x = 550,556.85

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Similar ratio
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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.