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Finding the Fourth Proportional to 641,735.35, 885,335.24 and 369,657.52

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Solution

The fourth proportional to 641,735.35, 885,335.24 and 369,657.52 is: 509,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,735.35 : 885,335.24 = 369,657.52 : x
  2. Step 2: Convert to fraction form
    641,735.35/885,335.24 = 369,657.52/x
  3. Step 3: Cross multiply
    641,735.35x = 885,335.24 × 369,657.52
  4. Step 4: Simplify right side
    641,735.35x = 327,270,825,125.38
  5. Step 5: Solve for x
    x = 327,270,825,125.38/641,735.35
  6. Step 6: Final answer
    x = 509,977.87

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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.