Home / 883,904.30-1,325,856.45-322,865.90

Finding the Fourth Proportional to 883,904.30, 1,325,856.45 and 322,865.90

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Solution

The fourth proportional to 883,904.30, 1,325,856.45 and 322,865.90 is: 484,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,904.30 : 1,325,856.45 = 322,865.90 : x
  2. Step 2: Convert to fraction form
    883,904.30/1,325,856.45 = 322,865.90/x
  3. Step 3: Cross multiply
    883,904.30x = 1,325,856.45 × 322,865.90
  4. Step 4: Simplify right side
    883,904.30x = 428,073,836,000.06
  5. Step 5: Solve for x
    x = 428,073,836,000.06/883,904.30
  6. Step 6: Final answer
    x = 484,298.85

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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.