Home / 782,900.65-1,174,537.55-277,505.80

Finding the Fourth Proportional to 782,900.65, 1,174,537.55 and 277,505.80

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Solution

The fourth proportional to 782,900.65, 1,174,537.55 and 277,505.80 is: 416,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,900.65 : 1,174,537.55 = 277,505.80 : x
  2. Step 2: Convert to fraction form
    782,900.65/1,174,537.55 = 277,505.80/x
  3. Step 3: Cross multiply
    782,900.65x = 1,174,537.55 × 277,505.80
  4. Step 4: Simplify right side
    782,900.65x = 325,940,980,200.21
  5. Step 5: Solve for x
    x = 325,940,980,200.21/782,900.65
  6. Step 6: Final answer
    x = 416,324.83

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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.