Home / 792,776.40-1,093,776.93-443,865.39

Finding the Fourth Proportional to 792,776.40, 1,093,776.93 and 443,865.39

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Solution

The fourth proportional to 792,776.40, 1,093,776.93 and 443,865.39 is: 612,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,776.40 : 1,093,776.93 = 443,865.39 : x
  2. Step 2: Convert to fraction form
    792,776.40/1,093,776.93 = 443,865.39/x
  3. Step 3: Cross multiply
    792,776.40x = 1,093,776.93 × 443,865.39
  4. Step 4: Simplify right side
    792,776.40x = 485,489,723,607.45
  5. Step 5: Solve for x
    x = 485,489,723,607.45/792,776.40
  6. Step 6: Final answer
    x = 612,391.75

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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.