Home / 941,621.47-1,299,422.32-511,912.33

Finding the Fourth Proportional to 941,621.47, 1,299,422.32 and 511,912.33

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Solution

The fourth proportional to 941,621.47, 1,299,422.32 and 511,912.33 is: 706,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,621.47 : 1,299,422.32 = 511,912.33 : x
  2. Step 2: Convert to fraction form
    941,621.47/1,299,422.32 = 511,912.33/x
  3. Step 3: Cross multiply
    941,621.47x = 1,299,422.32 × 511,912.33
  4. Step 4: Simplify right side
    941,621.47x = 665,190,307,485.21
  5. Step 5: Solve for x
    x = 665,190,307,485.21/941,621.47
  6. Step 6: Final answer
    x = 706,430.69

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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.