Home / 493,474.32-739,890.72-193,984.20

Finding the Fourth Proportional to 493,474.32, 739,890.72 and 193,984.20

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Solution

The fourth proportional to 493,474.32, 739,890.72 and 193,984.20 is: 290,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,474.32 : 739,890.72 = 193,984.20 : x
  2. Step 2: Convert to fraction form
    493,474.32/739,890.72 = 193,984.20/x
  3. Step 3: Cross multiply
    493,474.32x = 739,890.72 × 193,984.20
  4. Step 4: Simplify right side
    493,474.32x = 143,527,109,406.62
  5. Step 5: Solve for x
    x = 143,527,109,406.62/493,474.32
  6. Step 6: Final answer
    x = 290,850.21

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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.