Home / 736,443.86-1,103,761.23-381,255.38

Finding the Fourth Proportional to 736,443.86, 1,103,761.23 and 381,255.38

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Solution

The fourth proportional to 736,443.86, 1,103,761.23 and 381,255.38 is: 571,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,443.86 : 1,103,761.23 = 381,255.38 : x
  2. Step 2: Convert to fraction form
    736,443.86/1,103,761.23 = 381,255.38/x
  3. Step 3: Cross multiply
    736,443.86x = 1,103,761.23 × 381,255.38
  4. Step 4: Simplify right side
    736,443.86x = 420,814,907,172.92
  5. Step 5: Solve for x
    x = 420,814,907,172.92/736,443.86
  6. Step 6: Final answer
    x = 571,414.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.