Home / 782,685.30-1,174,175.43-296,513.07

Finding the Fourth Proportional to 782,685.30, 1,174,175.43 and 296,513.07

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Solution

The fourth proportional to 782,685.30, 1,174,175.43 and 296,513.07 is: 444,825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,685.30 : 1,174,175.43 = 296,513.07 : x
  2. Step 2: Convert to fraction form
    782,685.30/1,174,175.43 = 296,513.07/x
  3. Step 3: Cross multiply
    782,685.30x = 1,174,175.43 × 296,513.07
  4. Step 4: Simplify right side
    782,685.30x = 348,158,361,467.87
  5. Step 5: Solve for x
    x = 348,158,361,467.87/782,685.30
  6. Step 6: Final answer
    x = 444,825.48

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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.