Home / 804,865.43-1,206,399.05-348,930.30

Finding the Fourth Proportional to 804,865.43, 1,206,399.05 and 348,930.30

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Solution

The fourth proportional to 804,865.43, 1,206,399.05 and 348,930.30 is: 523,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,865.43 : 1,206,399.05 = 348,930.30 : x
  2. Step 2: Convert to fraction form
    804,865.43/1,206,399.05 = 348,930.30/x
  3. Step 3: Cross multiply
    804,865.43x = 1,206,399.05 × 348,930.30
  4. Step 4: Simplify right side
    804,865.43x = 420,949,186,524.05
  5. Step 5: Solve for x
    x = 420,949,186,524.05/804,865.43
  6. Step 6: Final answer
    x = 523,005.67

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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.