Home / 941,621.76-1,299,422.61-511,912.71

Finding the Fourth Proportional to 941,621.76, 1,299,422.61 and 511,912.71

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Solution

The fourth proportional to 941,621.76, 1,299,422.61 and 511,912.71 is: 706,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,621.76 : 1,299,422.61 = 511,912.71 : x
  2. Step 2: Convert to fraction form
    941,621.76/1,299,422.61 = 511,912.71/x
  3. Step 3: Cross multiply
    941,621.76x = 1,299,422.61 × 511,912.71
  4. Step 4: Simplify right side
    941,621.76x = 665,190,949,720.37
  5. Step 5: Solve for x
    x = 665,190,949,720.37/941,621.76
  6. Step 6: Final answer
    x = 706,431.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.