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Finding the Fourth Proportional to 453,791.40, 680,687.10 and 453,791.40

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Solution

The fourth proportional to 453,791.40, 680,687.10 and 453,791.40 is: 680,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,791.40 : 680,687.10 = 453,791.40 : x
  2. Step 2: Convert to fraction form
    453,791.40/680,687.10 = 453,791.40/x
  3. Step 3: Cross multiply
    453,791.40x = 680,687.10 × 453,791.40
  4. Step 4: Simplify right side
    453,791.40x = 308,889,952,070.94
  5. Step 5: Solve for x
    x = 308,889,952,070.94/453,791.40
  6. Step 6: Final answer
    x = 680,687.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.