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Finding the Fourth Proportional to 637,020.65, 879,051.96 and 350,540.73

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Solution

The fourth proportional to 637,020.65, 879,051.96 and 350,540.73 is: 483,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,020.65 : 879,051.96 = 350,540.73 : x
  2. Step 2: Convert to fraction form
    637,020.65/879,051.96 = 350,540.73/x
  3. Step 3: Cross multiply
    637,020.65x = 879,051.96 × 350,540.73
  4. Step 4: Simplify right side
    637,020.65x = 308,143,515,766.33
  5. Step 5: Solve for x
    x = 308,143,515,766.33/637,020.65
  6. Step 6: Final answer
    x = 483,726.10

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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.