Home / 780,542.76-1,170,947.64-268,183.33

Finding the Fourth Proportional to 780,542.76, 1,170,947.64 and 268,183.33

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Solution

The fourth proportional to 780,542.76, 1,170,947.64 and 268,183.33 is: 402,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,542.76 : 1,170,947.64 = 268,183.33 : x
  2. Step 2: Convert to fraction form
    780,542.76/1,170,947.64 = 268,183.33/x
  3. Step 3: Cross multiply
    780,542.76x = 1,170,947.64 × 268,183.33
  4. Step 4: Simplify right side
    780,542.76x = 314,028,636,009.93
  5. Step 5: Solve for x
    x = 314,028,636,009.93/780,542.76
  6. Step 6: Final answer
    x = 402,320.86

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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.