Home / 864,821.22-1,297,300.95-303,981.54

Finding the Fourth Proportional to 864,821.22, 1,297,300.95 and 303,981.54

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Solution

The fourth proportional to 864,821.22, 1,297,300.95 and 303,981.54 is: 455,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,821.22 : 1,297,300.95 = 303,981.54 : x
  2. Step 2: Convert to fraction form
    864,821.22/1,297,300.95 = 303,981.54/x
  3. Step 3: Cross multiply
    864,821.22x = 1,297,300.95 × 303,981.54
  4. Step 4: Simplify right side
    864,821.22x = 394,355,540,624.46
  5. Step 5: Solve for x
    x = 394,355,540,624.46/864,821.22
  6. Step 6: Final answer
    x = 455,996.61

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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.