Home / 787,834.86-1,087,197.80-443,669.40

Finding the Fourth Proportional to 787,834.86, 1,087,197.80 and 443,669.40

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Solution

The fourth proportional to 787,834.86, 1,087,197.80 and 443,669.40 is: 612,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,834.86 : 1,087,197.80 = 443,669.40 : x
  2. Step 2: Convert to fraction form
    787,834.86/1,087,197.80 = 443,669.40/x
  3. Step 3: Cross multiply
    787,834.86x = 1,087,197.80 × 443,669.40
  4. Step 4: Simplify right side
    787,834.86x = 482,356,393,388.97
  5. Step 5: Solve for x
    x = 482,356,393,388.97/787,834.86
  6. Step 6: Final answer
    x = 612,255.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.