Home / 821,771.32-1,232,656.98-222,732.48

Finding the Fourth Proportional to 821,771.32, 1,232,656.98 and 222,732.48

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Solution

The fourth proportional to 821,771.32, 1,232,656.98 and 222,732.48 is: 334,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,771.32 : 1,232,656.98 = 222,732.48 : x
  2. Step 2: Convert to fraction form
    821,771.32/1,232,656.98 = 222,732.48/x
  3. Step 3: Cross multiply
    821,771.32x = 1,232,656.98 × 222,732.48
  4. Step 4: Simplify right side
    821,771.32x = 274,552,746,144.71
  5. Step 5: Solve for x
    x = 274,552,746,144.71/821,771.32
  6. Step 6: Final answer
    x = 334,098.72

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Similar ratio
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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.