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Finding the Fourth Proportional to 635,080.77, 876,012.80 and 376,774.83

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Solution

The fourth proportional to 635,080.77, 876,012.80 and 376,774.83 is: 519,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,080.77 : 876,012.80 = 376,774.83 : x
  2. Step 2: Convert to fraction form
    635,080.77/876,012.80 = 376,774.83/x
  3. Step 3: Cross multiply
    635,080.77x = 876,012.80 × 376,774.83
  4. Step 4: Simplify right side
    635,080.77x = 330,059,571,913.95
  5. Step 5: Solve for x
    x = 330,059,571,913.95/635,080.77
  6. Step 6: Final answer
    x = 519,712.75

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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.