Home / 782,393.80-1,173,153.30-361,148.44

Finding the Fourth Proportional to 782,393.80, 1,173,153.30 and 361,148.44

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Solution

The fourth proportional to 782,393.80, 1,173,153.30 and 361,148.44 is: 541,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,393.80 : 1,173,153.30 = 361,148.44 : x
  2. Step 2: Convert to fraction form
    782,393.80/1,173,153.30 = 361,148.44/x
  3. Step 3: Cross multiply
    782,393.80x = 1,173,153.30 × 361,148.44
  4. Step 4: Simplify right side
    782,393.80x = 423,682,484,175.85
  5. Step 5: Solve for x
    x = 423,682,484,175.85/782,393.80
  6. Step 6: Final answer
    x = 541,520.76

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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.