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Finding the Fourth Proportional to 792,903, 1,094,205.72 and 448,732.68

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Solution

The fourth proportional to 792,903, 1,094,205.72 and 448,732.68 is: 619,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,903 : 1,094,205.72 = 448,732.68 : x
  2. Step 2: Convert to fraction form
    792,903/1,094,205.72 = 448,732.68/x
  3. Step 3: Cross multiply
    792,903x = 1,094,205.72 × 448,732.68
  4. Step 4: Simplify right side
    792,903x = 491,005,865,206.93
  5. Step 5: Solve for x
    x = 491,005,865,206.93/792,903
  6. Step 6: Final answer
    x = 619,250.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.