Home / 780,789.75-1,164,621.32-709,034.28

Finding the Fourth Proportional to 780,789.75, 1,164,621.32 and 709,034.28

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Solution

The fourth proportional to 780,789.75, 1,164,621.32 and 709,034.28 is: 1,057,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,789.75 : 1,164,621.32 = 709,034.28 : x
  2. Step 2: Convert to fraction form
    780,789.75/1,164,621.32 = 709,034.28/x
  3. Step 3: Cross multiply
    780,789.75x = 1,164,621.32 × 709,034.28
  4. Step 4: Simplify right side
    780,789.75x = 825,756,435,553.68
  5. Step 5: Solve for x
    x = 825,756,435,553.68/780,789.75
  6. Step 6: Final answer
    x = 1,057,591.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.