Home / 635,491.13-876,974.36-345,100.19

Finding the Fourth Proportional to 635,491.13, 876,974.36 and 345,100.19

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Solution

The fourth proportional to 635,491.13, 876,974.36 and 345,100.19 is: 476,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,491.13 : 876,974.36 = 345,100.19 : x
  2. Step 2: Convert to fraction form
    635,491.13/876,974.36 = 345,100.19/x
  3. Step 3: Cross multiply
    635,491.13x = 876,974.36 × 345,100.19
  4. Step 4: Simplify right side
    635,491.13x = 302,644,012,150.76
  5. Step 5: Solve for x
    x = 302,644,012,150.76/635,491.13
  6. Step 6: Final answer
    x = 476,236.41

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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.