Home / 792,770.13-1,188,356.94-455,709.69

Finding the Fourth Proportional to 792,770.13, 1,188,356.94 and 455,709.69

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Solution

The fourth proportional to 792,770.13, 1,188,356.94 and 455,709.69 is: 683,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,770.13 : 1,188,356.94 = 455,709.69 : x
  2. Step 2: Convert to fraction form
    792,770.13/1,188,356.94 = 455,709.69/x
  3. Step 3: Cross multiply
    792,770.13x = 1,188,356.94 × 455,709.69
  4. Step 4: Simplify right side
    792,770.13x = 541,545,772,736.75
  5. Step 5: Solve for x
    x = 541,545,772,736.75/792,770.13
  6. Step 6: Final answer
    x = 683,105.67

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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.