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Finding the Fourth Proportional to 453,605.91, 680,027.50 and 303,387.72

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Solution

The fourth proportional to 453,605.91, 680,027.50 and 303,387.72 is: 454,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,605.91 : 680,027.50 = 303,387.72 : x
  2. Step 2: Convert to fraction form
    453,605.91/680,027.50 = 303,387.72/x
  3. Step 3: Cross multiply
    453,605.91x = 680,027.50 × 303,387.72
  4. Step 4: Simplify right side
    453,605.91x = 206,311,990,591.43
  5. Step 5: Solve for x
    x = 206,311,990,591.43/453,605.91
  6. Step 6: Final answer
    x = 454,826.50

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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.