Home / 842,074.59-1,263,196.91-273,431.91

Finding the Fourth Proportional to 842,074.59, 1,263,196.91 and 273,431.91

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Solution

The fourth proportional to 842,074.59, 1,263,196.91 and 273,431.91 is: 410,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,074.59 : 1,263,196.91 = 273,431.91 : x
  2. Step 2: Convert to fraction form
    842,074.59/1,263,196.91 = 273,431.91/x
  3. Step 3: Cross multiply
    842,074.59x = 1,263,196.91 × 273,431.91
  4. Step 4: Simplify right side
    842,074.59x = 345,398,343,807.40
  5. Step 5: Solve for x
    x = 345,398,343,807.40/842,074.59
  6. Step 6: Final answer
    x = 410,175.47

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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.