Home / 767,718.80-1,150,109.40-412,614.80

Finding the Fourth Proportional to 767,718.80, 1,150,109.40 and 412,614.80

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Solution

The fourth proportional to 767,718.80, 1,150,109.40 and 412,614.80 is: 618,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,718.80 : 1,150,109.40 = 412,614.80 : x
  2. Step 2: Convert to fraction form
    767,718.80/1,150,109.40 = 412,614.80/x
  3. Step 3: Cross multiply
    767,718.80x = 1,150,109.40 × 412,614.80
  4. Step 4: Simplify right side
    767,718.80x = 474,552,160,059.12
  5. Step 5: Solve for x
    x = 474,552,160,059.12/767,718.80
  6. Step 6: Final answer
    x = 618,132.79

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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.