Home / 635,544.20-877,056.18-349,067.72

Finding the Fourth Proportional to 635,544.20, 877,056.18 and 349,067.72

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Solution

The fourth proportional to 635,544.20, 877,056.18 and 349,067.72 is: 481,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,544.20 : 877,056.18 = 349,067.72 : x
  2. Step 2: Convert to fraction form
    635,544.20/877,056.18 = 349,067.72/x
  3. Step 3: Cross multiply
    635,544.20x = 877,056.18 × 349,067.72
  4. Step 4: Simplify right side
    635,544.20x = 306,152,001,064.51
  5. Step 5: Solve for x
    x = 306,152,001,064.51/635,544.20
  6. Step 6: Final answer
    x = 481,716.30

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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.