Home / 864,970.20-1,297,682.10-332,508.60

Finding the Fourth Proportional to 864,970.20, 1,297,682.10 and 332,508.60

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Solution

The fourth proportional to 864,970.20, 1,297,682.10 and 332,508.60 is: 498,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,970.20 : 1,297,682.10 = 332,508.60 : x
  2. Step 2: Convert to fraction form
    864,970.20/1,297,682.10 = 332,508.60/x
  3. Step 3: Cross multiply
    864,970.20x = 1,297,682.10 × 332,508.60
  4. Step 4: Simplify right side
    864,970.20x = 431,490,458,316.06
  5. Step 5: Solve for x
    x = 431,490,458,316.06/864,970.20
  6. Step 6: Final answer
    x = 498,850.09

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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.