Home / 921,180.15-1,381,899.42-322,005.03

Finding the Fourth Proportional to 921,180.15, 1,381,899.42 and 322,005.03

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Solution

The fourth proportional to 921,180.15, 1,381,899.42 and 322,005.03 is: 483,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,180.15 : 1,381,899.42 = 322,005.03 : x
  2. Step 2: Convert to fraction form
    921,180.15/1,381,899.42 = 322,005.03/x
  3. Step 3: Cross multiply
    921,180.15x = 1,381,899.42 × 322,005.03
  4. Step 4: Simplify right side
    921,180.15x = 444,978,564,194.08
  5. Step 5: Solve for x
    x = 444,978,564,194.08/921,180.15
  6. Step 6: Final answer
    x = 483,052.71

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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.