Home / 993,043.80-1,489,418.10-361,810.44

Finding the Fourth Proportional to 993,043.80, 1,489,418.10 and 361,810.44

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Solution

The fourth proportional to 993,043.80, 1,489,418.10 and 361,810.44 is: 542,661.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,043.80 : 1,489,418.10 = 361,810.44 : x
  2. Step 2: Convert to fraction form
    993,043.80/1,489,418.10 = 361,810.44/x
  3. Step 3: Cross multiply
    993,043.80x = 1,489,418.10 × 361,810.44
  4. Step 4: Simplify right side
    993,043.80x = 538,887,018,104.96
  5. Step 5: Solve for x
    x = 538,887,018,104.96/993,043.80
  6. Step 6: Final answer
    x = 542,661.88

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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.