Home / 939,772.78-1,296,887.72-510,052.92

Finding the Fourth Proportional to 939,772.78, 1,296,887.72 and 510,052.92

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Solution

The fourth proportional to 939,772.78, 1,296,887.72 and 510,052.92 is: 703,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,772.78 : 1,296,887.72 = 510,052.92 : x
  2. Step 2: Convert to fraction form
    939,772.78/1,296,887.72 = 510,052.92/x
  3. Step 3: Cross multiply
    939,772.78x = 1,296,887.72 × 510,052.92
  4. Step 4: Simplify right side
    939,772.78x = 661,481,368,498.14
  5. Step 5: Solve for x
    x = 661,481,368,498.14/939,772.78
  6. Step 6: Final answer
    x = 703,873.73

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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.