Home / 939,930.62-1,297,095.39-510,201.54

Finding the Fourth Proportional to 939,930.62, 1,297,095.39 and 510,201.54

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Solution

The fourth proportional to 939,930.62, 1,297,095.39 and 510,201.54 is: 704,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,930.62 : 1,297,095.39 = 510,201.54 : x
  2. Step 2: Convert to fraction form
    939,930.62/1,297,095.39 = 510,201.54/x
  3. Step 3: Cross multiply
    939,930.62x = 1,297,095.39 × 510,201.54
  4. Step 4: Simplify right side
    939,930.62x = 661,780,065,504.90
  5. Step 5: Solve for x
    x = 661,780,065,504.90/939,930.62
  6. Step 6: Final answer
    x = 704,073.32

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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.