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Finding the Fourth Proportional to 642,797.46, 964,103.22 and 450,087.24

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Solution

The fourth proportional to 642,797.46, 964,103.22 and 450,087.24 is: 675,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,797.46 : 964,103.22 = 450,087.24 : x
  2. Step 2: Convert to fraction form
    642,797.46/964,103.22 = 450,087.24/x
  3. Step 3: Cross multiply
    642,797.46x = 964,103.22 × 450,087.24
  4. Step 4: Simplify right side
    642,797.46x = 433,930,557,364.91
  5. Step 5: Solve for x
    x = 433,930,557,364.91/642,797.46
  6. Step 6: Final answer
    x = 675,065.76

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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.