Home / 808,037.54-1,209,062.37-647,626.95

Finding the Fourth Proportional to 808,037.54, 1,209,062.37 and 647,626.95

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Solution

The fourth proportional to 808,037.54, 1,209,062.37 and 647,626.95 is: 969,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,037.54 : 1,209,062.37 = 647,626.95 : x
  2. Step 2: Convert to fraction form
    808,037.54/1,209,062.37 = 647,626.95/x
  3. Step 3: Cross multiply
    808,037.54x = 1,209,062.37 × 647,626.95
  4. Step 4: Simplify right side
    808,037.54x = 783,021,368,997.56
  5. Step 5: Solve for x
    x = 783,021,368,997.56/808,037.54
  6. Step 6: Final answer
    x = 969,040.84

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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.