Home / 808,216.75-1,212,331.20-358,816.60

Finding the Fourth Proportional to 808,216.75, 1,212,331.20 and 358,816.60

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Solution

The fourth proportional to 808,216.75, 1,212,331.20 and 358,816.60 is: 538,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,216.75 : 1,212,331.20 = 358,816.60 : x
  2. Step 2: Convert to fraction form
    808,216.75/1,212,331.20 = 358,816.60/x
  3. Step 3: Cross multiply
    808,216.75x = 1,212,331.20 × 358,816.60
  4. Step 4: Simplify right side
    808,216.75x = 435,004,559,257.92
  5. Step 5: Solve for x
    x = 435,004,559,257.92/808,216.75
  6. Step 6: Final answer
    x = 538,227.60

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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.