Home / 770,517.90-1,155,489.48-264,935.88

Finding the Fourth Proportional to 770,517.90, 1,155,489.48 and 264,935.88

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Solution

The fourth proportional to 770,517.90, 1,155,489.48 and 264,935.88 is: 397,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,517.90 : 1,155,489.48 = 264,935.88 : x
  2. Step 2: Convert to fraction form
    770,517.90/1,155,489.48 = 264,935.88/x
  3. Step 3: Cross multiply
    770,517.90x = 1,155,489.48 × 264,935.88
  4. Step 4: Simplify right side
    770,517.90x = 306,130,622,214.54
  5. Step 5: Solve for x
    x = 306,130,622,214.54/770,517.90
  6. Step 6: Final answer
    x = 397,305.01

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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.