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Finding the Fourth Proportional to 635,255.83, 876,668.43 and 344,879.34

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Solution

The fourth proportional to 635,255.83, 876,668.43 and 344,879.34 is: 475,941.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,255.83 : 876,668.43 = 344,879.34 : x
  2. Step 2: Convert to fraction form
    635,255.83/876,668.43 = 344,879.34/x
  3. Step 3: Cross multiply
    635,255.83x = 876,668.43 × 344,879.34
  4. Step 4: Simplify right side
    635,255.83x = 302,344,829,537.24
  5. Step 5: Solve for x
    x = 302,344,829,537.24/635,255.83
  6. Step 6: Final answer
    x = 475,941.84

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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.