Home / 790,951.43-1,091,507.54-428,367

Finding the Fourth Proportional to 790,951.43, 1,091,507.54 and 428,367

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Solution

The fourth proportional to 790,951.43, 1,091,507.54 and 428,367 is: 591,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,951.43 : 1,091,507.54 = 428,367 : x
  2. Step 2: Convert to fraction form
    790,951.43/1,091,507.54 = 428,367/x
  3. Step 3: Cross multiply
    790,951.43x = 1,091,507.54 × 428,367
  4. Step 4: Simplify right side
    790,951.43x = 467,565,808,245.35
  5. Step 5: Solve for x
    x = 467,565,808,245.35/790,951.43
  6. Step 6: Final answer
    x = 591,143.52

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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.