Home / 777,099.87-1,166,444.96-641,732.81

Finding the Fourth Proportional to 777,099.87, 1,166,444.96 and 641,732.81

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Solution

The fourth proportional to 777,099.87, 1,166,444.96 and 641,732.81 is: 963,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,099.87 : 1,166,444.96 = 641,732.81 : x
  2. Step 2: Convert to fraction form
    777,099.87/1,166,444.96 = 641,732.81/x
  3. Step 3: Cross multiply
    777,099.87x = 1,166,444.96 × 641,732.81
  4. Step 4: Simplify right side
    777,099.87x = 748,545,992,850.25
  5. Step 5: Solve for x
    x = 748,545,992,850.25/777,099.87
  6. Step 6: Final answer
    x = 963,255.85

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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.