Home / 939,959.39-1,297,145.61-510,239.81

Finding the Fourth Proportional to 939,959.39, 1,297,145.61 and 510,239.81

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Solution

The fourth proportional to 939,959.39, 1,297,145.61 and 510,239.81 is: 704,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,959.39 : 1,297,145.61 = 510,239.81 : x
  2. Step 2: Convert to fraction form
    939,959.39/1,297,145.61 = 510,239.81/x
  3. Step 3: Cross multiply
    939,959.39x = 1,297,145.61 × 510,239.81
  4. Step 4: Simplify right side
    939,959.39x = 661,855,327,037.54
  5. Step 5: Solve for x
    x = 661,855,327,037.54/939,959.39
  6. Step 6: Final answer
    x = 704,131.83

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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.