Home / 777,898.81-1,166,849.43-512,843.32

Finding the Fourth Proportional to 777,898.81, 1,166,849.43 and 512,843.32

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Solution

The fourth proportional to 777,898.81, 1,166,849.43 and 512,843.32 is: 769,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,898.81 : 1,166,849.43 = 512,843.32 : x
  2. Step 2: Convert to fraction form
    777,898.81/1,166,849.43 = 512,843.32/x
  3. Step 3: Cross multiply
    777,898.81x = 1,166,849.43 × 512,843.32
  4. Step 4: Simplify right side
    777,898.81x = 598,410,935,621.31
  5. Step 5: Solve for x
    x = 598,410,935,621.31/777,898.81
  6. Step 6: Final answer
    x = 769,265.78

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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.