Home / 790,963.44-1,091,524.10-428,379

Finding the Fourth Proportional to 790,963.44, 1,091,524.10 and 428,379

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Solution

The fourth proportional to 790,963.44, 1,091,524.10 and 428,379 is: 591,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,963.44 : 1,091,524.10 = 428,379 : x
  2. Step 2: Convert to fraction form
    790,963.44/1,091,524.10 = 428,379/x
  3. Step 3: Cross multiply
    790,963.44x = 1,091,524.10 × 428,379
  4. Step 4: Simplify right side
    790,963.44x = 467,586,000,292.01
  5. Step 5: Solve for x
    x = 467,586,000,292.01/790,963.44
  6. Step 6: Final answer
    x = 591,160.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.