Home / 792,737.22-1,189,063.40-280,366.86

Finding the Fourth Proportional to 792,737.22, 1,189,063.40 and 280,366.86

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Solution

The fourth proportional to 792,737.22, 1,189,063.40 and 280,366.86 is: 420,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,737.22 : 1,189,063.40 = 280,366.86 : x
  2. Step 2: Convert to fraction form
    792,737.22/1,189,063.40 = 280,366.86/x
  3. Step 3: Cross multiply
    792,737.22x = 1,189,063.40 × 280,366.86
  4. Step 4: Simplify right side
    792,737.22x = 333,373,972,499.84
  5. Step 5: Solve for x
    x = 333,373,972,499.84/792,737.22
  6. Step 6: Final answer
    x = 420,535.28

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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.