Home / 902,906.88-1,246,016.16-520,949.76

Finding the Fourth Proportional to 902,906.88, 1,246,016.16 and 520,949.76

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Solution

The fourth proportional to 902,906.88, 1,246,016.16 and 520,949.76 is: 718,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,906.88 : 1,246,016.16 = 520,949.76 : x
  2. Step 2: Convert to fraction form
    902,906.88/1,246,016.16 = 520,949.76/x
  3. Step 3: Cross multiply
    902,906.88x = 1,246,016.16 × 520,949.76
  4. Step 4: Simplify right side
    902,906.88x = 649,111,819,508.12
  5. Step 5: Solve for x
    x = 649,111,819,508.12/902,906.88
  6. Step 6: Final answer
    x = 718,913.36

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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.