Home / 635,418.64-876,877.71-348,943.51

Finding the Fourth Proportional to 635,418.64, 876,877.71 and 348,943.51

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Solution

The fourth proportional to 635,418.64, 876,877.71 and 348,943.51 is: 481,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,418.64 : 876,877.71 = 348,943.51 : x
  2. Step 2: Convert to fraction form
    635,418.64/876,877.71 = 348,943.51/x
  3. Step 3: Cross multiply
    635,418.64x = 876,877.71 × 348,943.51
  4. Step 4: Simplify right side
    635,418.64x = 305,980,785,968.16
  5. Step 5: Solve for x
    x = 305,980,785,968.16/635,418.64
  6. Step 6: Final answer
    x = 481,542.04

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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.