Home / 770,825.76-1,155,449.16-265,234.56

Finding the Fourth Proportional to 770,825.76, 1,155,449.16 and 265,234.56

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Solution

The fourth proportional to 770,825.76, 1,155,449.16 and 265,234.56 is: 397,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,825.76 : 1,155,449.16 = 265,234.56 : x
  2. Step 2: Convert to fraction form
    770,825.76/1,155,449.16 = 265,234.56/x
  3. Step 3: Cross multiply
    770,825.76x = 1,155,449.16 × 265,234.56
  4. Step 4: Simplify right side
    770,825.76x = 306,465,049,554.97
  5. Step 5: Solve for x
    x = 306,465,049,554.97/770,825.76
  6. Step 6: Final answer
    x = 397,580.19

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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.