Home / 972,784.82-1,343,003.36-646,540.21

Finding the Fourth Proportional to 972,784.82, 1,343,003.36 and 646,540.21

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Solution

The fourth proportional to 972,784.82, 1,343,003.36 and 646,540.21 is: 892,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,784.82 : 1,343,003.36 = 646,540.21 : x
  2. Step 2: Convert to fraction form
    972,784.82/1,343,003.36 = 646,540.21/x
  3. Step 3: Cross multiply
    972,784.82x = 1,343,003.36 × 646,540.21
  4. Step 4: Simplify right side
    972,784.82x = 868,305,672,851.16
  5. Step 5: Solve for x
    x = 868,305,672,851.16/972,784.82
  6. Step 6: Final answer
    x = 892,597.88

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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.