Home / 938,906.64-1,295,656.20-556,704.72

Finding the Fourth Proportional to 938,906.64, 1,295,656.20 and 556,704.72

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Solution

The fourth proportional to 938,906.64, 1,295,656.20 and 556,704.72 is: 768,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,906.64 : 1,295,656.20 = 556,704.72 : x
  2. Step 2: Convert to fraction form
    938,906.64/1,295,656.20 = 556,704.72/x
  3. Step 3: Cross multiply
    938,906.64x = 1,295,656.20 × 556,704.72
  4. Step 4: Simplify right side
    938,906.64x = 721,297,922,037.26
  5. Step 5: Solve for x
    x = 721,297,922,037.26/938,906.64
  6. Step 6: Final answer
    x = 768,231.78

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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.