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Finding the Fourth Proportional to 637,554.42, 879,793.52 and 351,020.97

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Solution

The fourth proportional to 637,554.42, 879,793.52 and 351,020.97 is: 484,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,554.42 : 879,793.52 = 351,020.97 : x
  2. Step 2: Convert to fraction form
    637,554.42/879,793.52 = 351,020.97/x
  3. Step 3: Cross multiply
    637,554.42x = 879,793.52 × 351,020.97
  4. Step 4: Simplify right side
    637,554.42x = 308,825,974,790.11
  5. Step 5: Solve for x
    x = 308,825,974,790.11/637,554.42
  6. Step 6: Final answer
    x = 484,391.55

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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.