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Finding the Fourth Proportional to 483,999.60, 726,258.60 and 203,545.20

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Solution

The fourth proportional to 483,999.60, 726,258.60 and 203,545.20 is: 305,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,999.60 : 726,258.60 = 203,545.20 : x
  2. Step 2: Convert to fraction form
    483,999.60/726,258.60 = 203,545.20/x
  3. Step 3: Cross multiply
    483,999.60x = 726,258.60 × 203,545.20
  4. Step 4: Simplify right side
    483,999.60x = 147,826,451,988.72
  5. Step 5: Solve for x
    x = 147,826,451,988.72/483,999.60
  6. Step 6: Final answer
    x = 305,426.81

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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.