Home / 939,838.66-1,296,942.56-510,109.56

Finding the Fourth Proportional to 939,838.66, 1,296,942.56 and 510,109.56

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Solution

The fourth proportional to 939,838.66, 1,296,942.56 and 510,109.56 is: 703,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,838.66 : 1,296,942.56 = 510,109.56 : x
  2. Step 2: Convert to fraction form
    939,838.66/1,296,942.56 = 510,109.56/x
  3. Step 3: Cross multiply
    939,838.66x = 1,296,942.56 × 510,109.56
  4. Step 4: Simplify right side
    939,838.66x = 661,582,798,626.87
  5. Step 5: Solve for x
    x = 661,582,798,626.87/939,838.66
  6. Step 6: Final answer
    x = 703,932.31

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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.