Home / 800,220.72-1,104,259.92-437,572.56

Finding the Fourth Proportional to 800,220.72, 1,104,259.92 and 437,572.56

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Solution

The fourth proportional to 800,220.72, 1,104,259.92 and 437,572.56 is: 603,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,220.72 : 1,104,259.92 = 437,572.56 : x
  2. Step 2: Convert to fraction form
    800,220.72/1,104,259.92 = 437,572.56/x
  3. Step 3: Cross multiply
    800,220.72x = 1,104,259.92 × 437,572.56
  4. Step 4: Simplify right side
    800,220.72x = 483,193,840,099.80
  5. Step 5: Solve for x
    x = 483,193,840,099.80/800,220.72
  6. Step 6: Final answer
    x = 603,825.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.