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Finding the Fourth Proportional to 635,549.77, 876,845.21 and 359,870.07

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Solution

The fourth proportional to 635,549.77, 876,845.21 and 359,870.07 is: 496,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,549.77 : 876,845.21 = 359,870.07 : x
  2. Step 2: Convert to fraction form
    635,549.77/876,845.21 = 359,870.07/x
  3. Step 3: Cross multiply
    635,549.77x = 876,845.21 × 359,870.07
  4. Step 4: Simplify right side
    635,549.77x = 315,550,350,614.95
  5. Step 5: Solve for x
    x = 315,550,350,614.95/635,549.77
  6. Step 6: Final answer
    x = 496,499.83

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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.