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Finding the Fourth Proportional to 456,719.43, 630,253.44 and 252,751.28

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Solution

The fourth proportional to 456,719.43, 630,253.44 and 252,751.28 is: 348,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,719.43 : 630,253.44 = 252,751.28 : x
  2. Step 2: Convert to fraction form
    456,719.43/630,253.44 = 252,751.28/x
  3. Step 3: Cross multiply
    456,719.43x = 630,253.44 × 252,751.28
  4. Step 4: Simplify right side
    456,719.43x = 159,297,360,533.14
  5. Step 5: Solve for x
    x = 159,297,360,533.14/456,719.43
  6. Step 6: Final answer
    x = 348,786.04

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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.