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Finding the Fourth Proportional to 533,441.57, 800,787.47 and 421,197.44

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Solution

The fourth proportional to 533,441.57, 800,787.47 and 421,197.44 is: 632,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,441.57 : 800,787.47 = 421,197.44 : x
  2. Step 2: Convert to fraction form
    533,441.57/800,787.47 = 421,197.44/x
  3. Step 3: Cross multiply
    533,441.57x = 800,787.47 × 421,197.44
  4. Step 4: Simplify right side
    533,441.57x = 337,289,626,238.15
  5. Step 5: Solve for x
    x = 337,289,626,238.15/533,441.57
  6. Step 6: Final answer
    x = 632,289.74

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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.