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Finding the Fourth Proportional to 503,656.38, 695,046.42 and 277,301.88

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Solution

The fourth proportional to 503,656.38, 695,046.42 and 277,301.88 is: 382,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,656.38 : 695,046.42 = 277,301.88 : x
  2. Step 2: Convert to fraction form
    503,656.38/695,046.42 = 277,301.88/x
  3. Step 3: Cross multiply
    503,656.38x = 695,046.42 × 277,301.88
  4. Step 4: Simplify right side
    503,656.38x = 192,737,678,953.27
  5. Step 5: Solve for x
    x = 192,737,678,953.27/503,656.38
  6. Step 6: Final answer
    x = 382,676.93

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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.