Home / 808,622.54-1,211,990.61-608,298.83

Finding the Fourth Proportional to 808,622.54, 1,211,990.61 and 608,298.83

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Solution

The fourth proportional to 808,622.54, 1,211,990.61 and 608,298.83 is: 911,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,622.54 : 1,211,990.61 = 608,298.83 : x
  2. Step 2: Convert to fraction form
    808,622.54/1,211,990.61 = 608,298.83/x
  3. Step 3: Cross multiply
    808,622.54x = 1,211,990.61 × 608,298.83
  4. Step 4: Simplify right side
    808,622.54x = 737,252,470,033.99
  5. Step 5: Solve for x
    x = 737,252,470,033.99/808,622.54
  6. Step 6: Final answer
    x = 911,738.71

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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.