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Finding the Fourth Proportional to 635,080.26, 876,012.11 and 376,774.33

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Solution

The fourth proportional to 635,080.26, 876,012.11 and 376,774.33 is: 519,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,080.26 : 876,012.11 = 376,774.33 : x
  2. Step 2: Convert to fraction form
    635,080.26/876,012.11 = 376,774.33/x
  3. Step 3: Cross multiply
    635,080.26x = 876,012.11 × 376,774.33
  4. Step 4: Simplify right side
    635,080.26x = 330,058,875,817.14
  5. Step 5: Solve for x
    x = 330,058,875,817.14/635,080.26
  6. Step 6: Final answer
    x = 519,712.07

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1.5x scale

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.