Home / 821,810.89-1,232,716.30-222,772.04

Finding the Fourth Proportional to 821,810.89, 1,232,716.30 and 222,772.04

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Solution

The fourth proportional to 821,810.89, 1,232,716.30 and 222,772.04 is: 334,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,810.89 : 1,232,716.30 = 222,772.04 : x
  2. Step 2: Convert to fraction form
    821,810.89/1,232,716.30 = 222,772.04/x
  3. Step 3: Cross multiply
    821,810.89x = 1,232,716.30 × 222,772.04
  4. Step 4: Simplify right side
    821,810.89x = 274,614,724,892.25
  5. Step 5: Solve for x
    x = 274,614,724,892.25/821,810.89
  6. Step 6: Final answer
    x = 334,158.05

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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.