Home / 808,603.27-1,211,961.76-608,279.54

Finding the Fourth Proportional to 808,603.27, 1,211,961.76 and 608,279.54

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Solution

The fourth proportional to 808,603.27, 1,211,961.76 and 608,279.54 is: 911,709.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,603.27 : 1,211,961.76 = 608,279.54 : x
  2. Step 2: Convert to fraction form
    808,603.27/1,211,961.76 = 608,279.54/x
  3. Step 3: Cross multiply
    808,603.27x = 1,211,961.76 × 608,279.54
  4. Step 4: Simplify right side
    808,603.27x = 737,211,541,107.17
  5. Step 5: Solve for x
    x = 737,211,541,107.17/808,603.27
  6. Step 6: Final answer
    x = 911,709.82

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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.