Home / 939,662.16-1,296,734.64-509,942.36

Finding the Fourth Proportional to 939,662.16, 1,296,734.64 and 509,942.36

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Solution

The fourth proportional to 939,662.16, 1,296,734.64 and 509,942.36 is: 703,720.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,662.16 : 1,296,734.64 = 509,942.36 : x
  2. Step 2: Convert to fraction form
    939,662.16/1,296,734.64 = 509,942.36/x
  3. Step 3: Cross multiply
    939,662.16x = 1,296,734.64 × 509,942.36
  4. Step 4: Simplify right side
    939,662.16x = 661,259,922,615.35
  5. Step 5: Solve for x
    x = 661,259,922,615.35/939,662.16
  6. Step 6: Final answer
    x = 703,720.92

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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.