Home / 770,443.82-1,155,823.38-264,939.14

Finding the Fourth Proportional to 770,443.82, 1,155,823.38 and 264,939.14

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Solution

The fourth proportional to 770,443.82, 1,155,823.38 and 264,939.14 is: 397,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,443.82 : 1,155,823.38 = 264,939.14 : x
  2. Step 2: Convert to fraction form
    770,443.82/1,155,823.38 = 264,939.14/x
  3. Step 3: Cross multiply
    770,443.82x = 1,155,823.38 × 264,939.14
  4. Step 4: Simplify right side
    770,443.82x = 306,222,852,289.09
  5. Step 5: Solve for x
    x = 306,222,852,289.09/770,443.82
  6. Step 6: Final answer
    x = 397,462.92

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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.