Home / 456,789.20-630,353.28-252,849.02

Finding the Fourth Proportional to 456,789.20, 630,353.28 and 252,849.02

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Solution

The fourth proportional to 456,789.20, 630,353.28 and 252,849.02 is: 348,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,789.20 : 630,353.28 = 252,849.02 : x
  2. Step 2: Convert to fraction form
    456,789.20/630,353.28 = 252,849.02/x
  3. Step 3: Cross multiply
    456,789.20x = 630,353.28 × 252,849.02
  4. Step 4: Simplify right side
    456,789.20x = 159,384,205,950.02
  5. Step 5: Solve for x
    x = 159,384,205,950.02/456,789.20
  6. Step 6: Final answer
    x = 348,922.89

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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.