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Finding the Fourth Proportional to 503,530.08, 694,886.48 and 310,049.38

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Solution

The fourth proportional to 503,530.08, 694,886.48 and 310,049.38 is: 427,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,530.08 : 694,886.48 = 310,049.38 : x
  2. Step 2: Convert to fraction form
    503,530.08/694,886.48 = 310,049.38/x
  3. Step 3: Cross multiply
    503,530.08x = 694,886.48 × 310,049.38
  4. Step 4: Simplify right side
    503,530.08x = 215,449,122,294.38
  5. Step 5: Solve for x
    x = 215,449,122,294.38/503,530.08
  6. Step 6: Final answer
    x = 427,877.36

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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.