Home / 939,839.94-1,296,944.38-510,110.84

Finding the Fourth Proportional to 939,839.94, 1,296,944.38 and 510,110.84

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Solution

The fourth proportional to 939,839.94, 1,296,944.38 and 510,110.84 is: 703,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,839.94 : 1,296,944.38 = 510,110.84 : x
  2. Step 2: Convert to fraction form
    939,839.94/1,296,944.38 = 510,110.84/x
  3. Step 3: Cross multiply
    939,839.94x = 1,296,944.38 × 510,110.84
  4. Step 4: Simplify right side
    939,839.94x = 661,585,388,782.11
  5. Step 5: Solve for x
    x = 661,585,388,782.11/939,839.94
  6. Step 6: Final answer
    x = 703,934.11

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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.