Home / 939,782.43-1,296,912.20-510,067.71

Finding the Fourth Proportional to 939,782.43, 1,296,912.20 and 510,067.71

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Solution

The fourth proportional to 939,782.43, 1,296,912.20 and 510,067.71 is: 703,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,782.43 : 1,296,912.20 = 510,067.71 : x
  2. Step 2: Convert to fraction form
    939,782.43/1,296,912.20 = 510,067.71/x
  3. Step 3: Cross multiply
    939,782.43x = 1,296,912.20 × 510,067.71
  4. Step 4: Simplify right side
    939,782.43x = 661,513,033,374.72
  5. Step 5: Solve for x
    x = 661,513,033,374.72/939,782.43
  6. Step 6: Final answer
    x = 703,900.19

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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.