Home / 780,359.01-1,170,632.22-274,815.43

Finding the Fourth Proportional to 780,359.01, 1,170,632.22 and 274,815.43

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Solution

The fourth proportional to 780,359.01, 1,170,632.22 and 274,815.43 is: 412,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,359.01 : 1,170,632.22 = 274,815.43 : x
  2. Step 2: Convert to fraction form
    780,359.01/1,170,632.22 = 274,815.43/x
  3. Step 3: Cross multiply
    780,359.01x = 1,170,632.22 × 274,815.43
  4. Step 4: Simplify right side
    780,359.01x = 321,707,796,911.16
  5. Step 5: Solve for x
    x = 321,707,796,911.16/780,359.01
  6. Step 6: Final answer
    x = 412,256.14

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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.