Home / 764,786.34-1,144,936.62-536,289.66

Finding the Fourth Proportional to 764,786.34, 1,144,936.62 and 536,289.66

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Solution

The fourth proportional to 764,786.34, 1,144,936.62 and 536,289.66 is: 802,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,786.34 : 1,144,936.62 = 536,289.66 : x
  2. Step 2: Convert to fraction form
    764,786.34/1,144,936.62 = 536,289.66/x
  3. Step 3: Cross multiply
    764,786.34x = 1,144,936.62 × 536,289.66
  4. Step 4: Simplify right side
    764,786.34x = 614,017,670,661.35
  5. Step 5: Solve for x
    x = 614,017,670,661.35/764,786.34
  6. Step 6: Final answer
    x = 802,861.71

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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.