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Finding the Fourth Proportional to 492,984.12, 737,530.55 and 373,385.68

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Solution

The fourth proportional to 492,984.12, 737,530.55 and 373,385.68 is: 558,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,984.12 : 737,530.55 = 373,385.68 : x
  2. Step 2: Convert to fraction form
    492,984.12/737,530.55 = 373,385.68/x
  3. Step 3: Cross multiply
    492,984.12x = 737,530.55 × 373,385.68
  4. Step 4: Simplify right side
    492,984.12x = 275,383,345,932.52
  5. Step 5: Solve for x
    x = 275,383,345,932.52/492,984.12
  6. Step 6: Final answer
    x = 558,604.90

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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.