Home / 790,861.73-1,091,383.61-428,277.24

Finding the Fourth Proportional to 790,861.73, 1,091,383.61 and 428,277.24

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Solution

The fourth proportional to 790,861.73, 1,091,383.61 and 428,277.24 is: 591,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,861.73 : 1,091,383.61 = 428,277.24 : x
  2. Step 2: Convert to fraction form
    790,861.73/1,091,383.61 = 428,277.24/x
  3. Step 3: Cross multiply
    790,861.73x = 1,091,383.61 × 428,277.24
  4. Step 4: Simplify right side
    790,861.73x = 467,414,758,130.65
  5. Step 5: Solve for x
    x = 467,414,758,130.65/790,861.73
  6. Step 6: Final answer
    x = 591,019.57

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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.