Home / 781,205.44-1,171,853.84-301,435.80

Finding the Fourth Proportional to 781,205.44, 1,171,853.84 and 301,435.80

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Solution

The fourth proportional to 781,205.44, 1,171,853.84 and 301,435.80 is: 452,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,205.44 : 1,171,853.84 = 301,435.80 : x
  2. Step 2: Convert to fraction form
    781,205.44/1,171,853.84 = 301,435.80/x
  3. Step 3: Cross multiply
    781,205.44x = 1,171,853.84 × 301,435.80
  4. Step 4: Simplify right side
    781,205.44x = 353,238,699,743.47
  5. Step 5: Solve for x
    x = 353,238,699,743.47/781,205.44
  6. Step 6: Final answer
    x = 452,171.33

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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.