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Finding the Fourth Proportional to 492,077.20, 738,115.80 and 450,086.80

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Solution

The fourth proportional to 492,077.20, 738,115.80 and 450,086.80 is: 675,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,077.20 : 738,115.80 = 450,086.80 : x
  2. Step 2: Convert to fraction form
    492,077.20/738,115.80 = 450,086.80/x
  3. Step 3: Cross multiply
    492,077.20x = 738,115.80 × 450,086.80
  4. Step 4: Simplify right side
    492,077.20x = 332,216,178,451.44
  5. Step 5: Solve for x
    x = 332,216,178,451.44/492,077.20
  6. Step 6: Final answer
    x = 675,130.20

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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.