Home / 766,758.08-1,150,136.93-205,792.58

Finding the Fourth Proportional to 766,758.08, 1,150,136.93 and 205,792.58

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Solution

The fourth proportional to 766,758.08, 1,150,136.93 and 205,792.58 is: 308,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,758.08 : 1,150,136.93 = 205,792.58 : x
  2. Step 2: Convert to fraction form
    766,758.08/1,150,136.93 = 205,792.58/x
  3. Step 3: Cross multiply
    766,758.08x = 1,150,136.93 × 205,792.58
  4. Step 4: Simplify right side
    766,758.08x = 236,689,639,398.33
  5. Step 5: Solve for x
    x = 236,689,639,398.33/766,758.08
  6. Step 6: Final answer
    x = 308,688.81

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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.