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Finding the Fourth Proportional to 503,737.44, 695,130.48 and 288,886.56

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Solution

The fourth proportional to 503,737.44, 695,130.48 and 288,886.56 is: 398,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,737.44 : 695,130.48 = 288,886.56 : x
  2. Step 2: Convert to fraction form
    503,737.44/695,130.48 = 288,886.56/x
  3. Step 3: Cross multiply
    503,737.44x = 695,130.48 × 288,886.56
  4. Step 4: Simplify right side
    503,737.44x = 200,813,853,118.35
  5. Step 5: Solve for x
    x = 200,813,853,118.35/503,737.44
  6. Step 6: Final answer
    x = 398,647.86

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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.