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Finding the Fourth Proportional to 635,752.97, 877,335.43 and 349,266.89

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Solution

The fourth proportional to 635,752.97, 877,335.43 and 349,266.89 is: 481,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,752.97 : 877,335.43 = 349,266.89 : x
  2. Step 2: Convert to fraction form
    635,752.97/877,335.43 = 349,266.89/x
  3. Step 3: Cross multiply
    635,752.97x = 877,335.43 × 349,266.89
  4. Step 4: Simplify right side
    635,752.97x = 306,424,215,376.58
  5. Step 5: Solve for x
    x = 306,424,215,376.58/635,752.97
  6. Step 6: Final answer
    x = 481,986.29

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1.5x scale

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.