Home / 635,320.72-876,622.26-431,534.44

Finding the Fourth Proportional to 635,320.72, 876,622.26 and 431,534.44

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Solution

The fourth proportional to 635,320.72, 876,622.26 and 431,534.44 is: 595,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,320.72 : 876,622.26 = 431,534.44 : x
  2. Step 2: Convert to fraction form
    635,320.72/876,622.26 = 431,534.44/x
  3. Step 3: Cross multiply
    635,320.72x = 876,622.26 × 431,534.44
  4. Step 4: Simplify right side
    635,320.72x = 378,292,696,060.63
  5. Step 5: Solve for x
    x = 378,292,696,060.63/635,320.72
  6. Step 6: Final answer
    x = 595,435.79

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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.