Home / 905,884.71-1,358,791.56-306,845.85

Finding the Fourth Proportional to 905,884.71, 1,358,791.56 and 306,845.85

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Solution

The fourth proportional to 905,884.71, 1,358,791.56 and 306,845.85 is: 460,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,884.71 : 1,358,791.56 = 306,845.85 : x
  2. Step 2: Convert to fraction form
    905,884.71/1,358,791.56 = 306,845.85/x
  3. Step 3: Cross multiply
    905,884.71x = 1,358,791.56 × 306,845.85
  4. Step 4: Simplify right side
    905,884.71x = 416,939,551,201.03
  5. Step 5: Solve for x
    x = 416,939,551,201.03/905,884.71
  6. Step 6: Final answer
    x = 460,256.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.