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Finding the Fourth Proportional to 547,277.52, 820,858.50 and 259,020.12

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Solution

The fourth proportional to 547,277.52, 820,858.50 and 259,020.12 is: 388,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,277.52 : 820,858.50 = 259,020.12 : x
  2. Step 2: Convert to fraction form
    547,277.52/820,858.50 = 259,020.12/x
  3. Step 3: Cross multiply
    547,277.52x = 820,858.50 × 259,020.12
  4. Step 4: Simplify right side
    547,277.52x = 212,618,867,173.02
  5. Step 5: Solve for x
    x = 212,618,867,173.02/547,277.52
  6. Step 6: Final answer
    x = 388,502.83

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1.5x scale

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.