Home / 791,798.72-1,092,668.82-447,629.32

Finding the Fourth Proportional to 791,798.72, 1,092,668.82 and 447,629.32

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Solution

The fourth proportional to 791,798.72, 1,092,668.82 and 447,629.32 is: 617,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,798.72 : 1,092,668.82 = 447,629.32 : x
  2. Step 2: Convert to fraction form
    791,798.72/1,092,668.82 = 447,629.32/x
  3. Step 3: Cross multiply
    791,798.72x = 1,092,668.82 × 447,629.32
  4. Step 4: Simplify right side
    791,798.72x = 489,110,595,418.46
  5. Step 5: Solve for x
    x = 489,110,595,418.46/791,798.72
  6. Step 6: Final answer
    x = 617,720.87

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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.