Home / 821,808.14-1,232,712.18-222,769.28

Finding the Fourth Proportional to 821,808.14, 1,232,712.18 and 222,769.28

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Solution

The fourth proportional to 821,808.14, 1,232,712.18 and 222,769.28 is: 334,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,808.14 : 1,232,712.18 = 222,769.28 : x
  2. Step 2: Convert to fraction form
    821,808.14/1,232,712.18 = 222,769.28/x
  3. Step 3: Cross multiply
    821,808.14x = 1,232,712.18 × 222,769.28
  4. Step 4: Simplify right side
    821,808.14x = 274,610,407,867.61
  5. Step 5: Solve for x
    x = 274,610,407,867.61/821,808.14
  6. Step 6: Final answer
    x = 334,153.92

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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.