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Finding the Fourth Proportional to 503,155.52, 694,641.28 and 333,618.88

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Solution

The fourth proportional to 503,155.52, 694,641.28 and 333,618.88 is: 460,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,155.52 : 694,641.28 = 333,618.88 : x
  2. Step 2: Convert to fraction form
    503,155.52/694,641.28 = 333,618.88/x
  3. Step 3: Cross multiply
    503,155.52x = 694,641.28 × 333,618.88
  4. Step 4: Simplify right side
    503,155.52x = 231,745,445,835.37
  5. Step 5: Solve for x
    x = 231,745,445,835.37/503,155.52
  6. Step 6: Final answer
    x = 460,584.13

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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.