Home / 780,753.06-1,171,246.23-248,291.46

Finding the Fourth Proportional to 780,753.06, 1,171,246.23 and 248,291.46

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Solution

The fourth proportional to 780,753.06, 1,171,246.23 and 248,291.46 is: 372,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,753.06 : 1,171,246.23 = 248,291.46 : x
  2. Step 2: Convert to fraction form
    780,753.06/1,171,246.23 = 248,291.46/x
  3. Step 3: Cross multiply
    780,753.06x = 1,171,246.23 × 248,291.46
  4. Step 4: Simplify right side
    780,753.06x = 290,810,436,466.20
  5. Step 5: Solve for x
    x = 290,810,436,466.20/780,753.06
  6. Step 6: Final answer
    x = 372,474.28

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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.