Home / 808,201.22-1,212,301.82-358,816.46

Finding the Fourth Proportional to 808,201.22, 1,212,301.82 and 358,816.46

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Solution

The fourth proportional to 808,201.22, 1,212,301.82 and 358,816.46 is: 538,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,201.22 : 1,212,301.82 = 358,816.46 : x
  2. Step 2: Convert to fraction form
    808,201.22/1,212,301.82 = 358,816.46/x
  3. Step 3: Cross multiply
    808,201.22x = 1,212,301.82 × 358,816.46
  4. Step 4: Simplify right side
    808,201.22x = 434,993,842,339.49
  5. Step 5: Solve for x
    x = 434,993,842,339.49/808,201.22
  6. Step 6: Final answer
    x = 538,224.68

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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.