Home / 853,844.83-1,280,765.95-222,758.64

Finding the Fourth Proportional to 853,844.83, 1,280,765.95 and 222,758.64

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Solution

The fourth proportional to 853,844.83, 1,280,765.95 and 222,758.64 is: 334,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,844.83 : 1,280,765.95 = 222,758.64 : x
  2. Step 2: Convert to fraction form
    853,844.83/1,280,765.95 = 222,758.64/x
  3. Step 3: Cross multiply
    853,844.83x = 1,280,765.95 × 222,758.64
  4. Step 4: Simplify right side
    853,844.83x = 285,301,680,623.41
  5. Step 5: Solve for x
    x = 285,301,680,623.41/853,844.83
  6. Step 6: Final answer
    x = 334,137.62

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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.