Home / 790,768.92-1,091,270.16-428,201.04

Finding the Fourth Proportional to 790,768.92, 1,091,270.16 and 428,201.04

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Solution

The fourth proportional to 790,768.92, 1,091,270.16 and 428,201.04 is: 590,922.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,768.92 : 1,091,270.16 = 428,201.04 : x
  2. Step 2: Convert to fraction form
    790,768.92/1,091,270.16 = 428,201.04/x
  3. Step 3: Cross multiply
    790,768.92x = 1,091,270.16 × 428,201.04
  4. Step 4: Simplify right side
    790,768.92x = 467,283,017,432.97
  5. Step 5: Solve for x
    x = 467,283,017,432.97/790,768.92
  6. Step 6: Final answer
    x = 590,922.34

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1.5x scale

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.