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Finding the Fourth Proportional to 635,572.44, 953,760.42 and 355,273.56

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Solution

The fourth proportional to 635,572.44, 953,760.42 and 355,273.56 is: 533,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,572.44 : 953,760.42 = 355,273.56 : x
  2. Step 2: Convert to fraction form
    635,572.44/953,760.42 = 355,273.56/x
  3. Step 3: Cross multiply
    635,572.44x = 953,760.42 × 355,273.56
  4. Step 4: Simplify right side
    635,572.44x = 338,845,859,800.50
  5. Step 5: Solve for x
    x = 338,845,859,800.50/635,572.44
  6. Step 6: Final answer
    x = 533,134.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.