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Finding the Fourth Proportional to 637,306.84, 879,494.52 and 365,419

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Solution

The fourth proportional to 637,306.84, 879,494.52 and 365,419 is: 504,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,306.84 : 879,494.52 = 365,419 : x
  2. Step 2: Convert to fraction form
    637,306.84/879,494.52 = 365,419/x
  3. Step 3: Cross multiply
    637,306.84x = 879,494.52 × 365,419
  4. Step 4: Simplify right side
    637,306.84x = 321,384,008,003.88
  5. Step 5: Solve for x
    x = 321,384,008,003.88/637,306.84
  6. Step 6: Final answer
    x = 504,284.57

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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.