Home / 853,845.83-1,280,767.45-222,759.64

Finding the Fourth Proportional to 853,845.83, 1,280,767.45 and 222,759.64

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Solution

The fourth proportional to 853,845.83, 1,280,767.45 and 222,759.64 is: 334,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,845.83 : 1,280,767.45 = 222,759.64 : x
  2. Step 2: Convert to fraction form
    853,845.83/1,280,767.45 = 222,759.64/x
  3. Step 3: Cross multiply
    853,845.83x = 1,280,767.45 × 222,759.64
  4. Step 4: Simplify right side
    853,845.83x = 285,303,296,085.72
  5. Step 5: Solve for x
    x = 285,303,296,085.72/853,845.83
  6. Step 6: Final answer
    x = 334,139.12

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1.5x scale

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.