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Finding the Fourth Proportional to 635,859.26, 877,501.59 and 345,470.91

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Solution

The fourth proportional to 635,859.26, 877,501.59 and 345,470.91 is: 476,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,859.26 : 877,501.59 = 345,470.91 : x
  2. Step 2: Convert to fraction form
    635,859.26/877,501.59 = 345,470.91/x
  3. Step 3: Cross multiply
    635,859.26x = 877,501.59 × 345,470.91
  4. Step 4: Simplify right side
    635,859.26x = 303,151,272,823.75
  5. Step 5: Solve for x
    x = 303,151,272,823.75/635,859.26
  6. Step 6: Final answer
    x = 476,758.45

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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.