Home / 497,904.06-687,086.79-271,536.06

Finding the Fourth Proportional to 497,904.06, 687,086.79 and 271,536.06

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Solution

The fourth proportional to 497,904.06, 687,086.79 and 271,536.06 is: 374,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,904.06 : 687,086.79 = 271,536.06 : x
  2. Step 2: Convert to fraction form
    497,904.06/687,086.79 = 271,536.06/x
  3. Step 3: Cross multiply
    497,904.06x = 687,086.79 × 271,536.06
  4. Step 4: Simplify right side
    497,904.06x = 186,568,839,834.65
  5. Step 5: Solve for x
    x = 186,568,839,834.65/497,904.06
  6. Step 6: Final answer
    x = 374,708.41

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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.