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Finding the Fourth Proportional to 635,744.88, 877,343.76 and 349,283.52

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Solution

The fourth proportional to 635,744.88, 877,343.76 and 349,283.52 is: 482,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,744.88 : 877,343.76 = 349,283.52 : x
  2. Step 2: Convert to fraction form
    635,744.88/877,343.76 = 349,283.52/x
  3. Step 3: Cross multiply
    635,744.88x = 877,343.76 × 349,283.52
  4. Step 4: Simplify right side
    635,744.88x = 306,441,716,742.84
  5. Step 5: Solve for x
    x = 306,441,716,742.84/635,744.88
  6. Step 6: Final answer
    x = 482,019.95

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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.