Home / 635,417.64-876,876.33-348,942.51

Finding the Fourth Proportional to 635,417.64, 876,876.33 and 348,942.51

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Solution

The fourth proportional to 635,417.64, 876,876.33 and 348,942.51 is: 481,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,417.64 : 876,876.33 = 348,942.51 : x
  2. Step 2: Convert to fraction form
    635,417.64/876,876.33 = 348,942.51/x
  3. Step 3: Cross multiply
    635,417.64x = 876,876.33 × 348,942.51
  4. Step 4: Simplify right side
    635,417.64x = 305,979,427,549.79
  5. Step 5: Solve for x
    x = 305,979,427,549.79/635,417.64
  6. Step 6: Final answer
    x = 481,540.66

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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.