Home / 438,939.03-658,360.69-297,691.64

Finding the Fourth Proportional to 438,939.03, 658,360.69 and 297,691.64

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Solution

The fourth proportional to 438,939.03, 658,360.69 and 297,691.64 is: 446,504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,939.03 : 658,360.69 = 297,691.64 : x
  2. Step 2: Convert to fraction form
    438,939.03/658,360.69 = 297,691.64/x
  3. Step 3: Cross multiply
    438,939.03x = 658,360.69 × 297,691.64
  4. Step 4: Simplify right side
    438,939.03x = 195,988,468,737.37
  5. Step 5: Solve for x
    x = 195,988,468,737.37/438,939.03
  6. Step 6: Final answer
    x = 446,504.99

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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.