Home / 808,665.90-1,212,998.85-798,168.30

Finding the Fourth Proportional to 808,665.90, 1,212,998.85 and 798,168.30

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Solution

The fourth proportional to 808,665.90, 1,212,998.85 and 798,168.30 is: 1,197,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,665.90 : 1,212,998.85 = 798,168.30 : x
  2. Step 2: Convert to fraction form
    808,665.90/1,212,998.85 = 798,168.30/x
  3. Step 3: Cross multiply
    808,665.90x = 1,212,998.85 × 798,168.30
  4. Step 4: Simplify right side
    808,665.90x = 968,177,230,006.46
  5. Step 5: Solve for x
    x = 968,177,230,006.46/808,665.90
  6. Step 6: Final answer
    x = 1,197,252.45

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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.