Home / 821,644.32-1,232,450.07-372,281.43

Finding the Fourth Proportional to 821,644.32, 1,232,450.07 and 372,281.43

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Solution

The fourth proportional to 821,644.32, 1,232,450.07 and 372,281.43 is: 558,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,644.32 : 1,232,450.07 = 372,281.43 : x
  2. Step 2: Convert to fraction form
    821,644.32/1,232,450.07 = 372,281.43/x
  3. Step 3: Cross multiply
    821,644.32x = 1,232,450.07 × 372,281.43
  4. Step 4: Simplify right side
    821,644.32x = 458,818,274,463.20
  5. Step 5: Solve for x
    x = 458,818,274,463.20/821,644.32
  6. Step 6: Final answer
    x = 558,414.71

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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.