Home / 635,298.67-876,726.31-348,819.89

Finding the Fourth Proportional to 635,298.67, 876,726.31 and 348,819.89

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Solution

The fourth proportional to 635,298.67, 876,726.31 and 348,819.89 is: 481,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,298.67 : 876,726.31 = 348,819.89 : x
  2. Step 2: Convert to fraction form
    635,298.67/876,726.31 = 348,819.89/x
  3. Step 3: Cross multiply
    635,298.67x = 876,726.31 × 348,819.89
  4. Step 4: Simplify right side
    635,298.67x = 305,819,576,334.07
  5. Step 5: Solve for x
    x = 305,819,576,334.07/635,298.67
  6. Step 6: Final answer
    x = 481,379.22

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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.