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Finding the Fourth Proportional to 503,746, 695,169.48 and 277,390.96

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Solution

The fourth proportional to 503,746, 695,169.48 and 277,390.96 is: 382,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,746 : 695,169.48 = 277,390.96 : x
  2. Step 2: Convert to fraction form
    503,746/695,169.48 = 277,390.96/x
  3. Step 3: Cross multiply
    503,746x = 695,169.48 × 277,390.96
  4. Step 4: Simplify right side
    503,746x = 192,833,729,419.90
  5. Step 5: Solve for x
    x = 192,833,729,419.90/503,746
  6. Step 6: Final answer
    x = 382,799.52

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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.