Home / 456,664.05-630,449.73-275,421.69

Finding the Fourth Proportional to 456,664.05, 630,449.73 and 275,421.69

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Solution

The fourth proportional to 456,664.05, 630,449.73 and 275,421.69 is: 380,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,664.05 : 630,449.73 = 275,421.69 : x
  2. Step 2: Convert to fraction form
    456,664.05/630,449.73 = 275,421.69/x
  3. Step 3: Cross multiply
    456,664.05x = 630,449.73 × 275,421.69
  4. Step 4: Simplify right side
    456,664.05x = 173,639,530,096.64
  5. Step 5: Solve for x
    x = 173,639,530,096.64/456,664.05
  6. Step 6: Final answer
    x = 380,234.73

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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.