Home / 494,067.59-681,818.61-290,120.93

Finding the Fourth Proportional to 494,067.59, 681,818.61 and 290,120.93

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Solution

The fourth proportional to 494,067.59, 681,818.61 and 290,120.93 is: 400,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,067.59 : 681,818.61 = 290,120.93 : x
  2. Step 2: Convert to fraction form
    494,067.59/681,818.61 = 290,120.93/x
  3. Step 3: Cross multiply
    494,067.59x = 681,818.61 × 290,120.93
  4. Step 4: Simplify right side
    494,067.59x = 197,809,849,224.51
  5. Step 5: Solve for x
    x = 197,809,849,224.51/494,067.59
  6. Step 6: Final answer
    x = 400,370.02

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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.