Home / 821,470.05-1,232,111.66-222,477.89

Finding the Fourth Proportional to 821,470.05, 1,232,111.66 and 222,477.89

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Solution

The fourth proportional to 821,470.05, 1,232,111.66 and 222,477.89 is: 333,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,470.05 : 1,232,111.66 = 222,477.89 : x
  2. Step 2: Convert to fraction form
    821,470.05/1,232,111.66 = 222,477.89/x
  3. Step 3: Cross multiply
    821,470.05x = 1,232,111.66 × 222,477.89
  4. Step 4: Simplify right side
    821,470.05x = 274,117,595,088.25
  5. Step 5: Solve for x
    x = 274,117,595,088.25/821,470.05
  6. Step 6: Final answer
    x = 333,691.53

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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.