Home / 507,815.28-761,796.75-271,028.79

Finding the Fourth Proportional to 507,815.28, 761,796.75 and 271,028.79

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Solution

The fourth proportional to 507,815.28, 761,796.75 and 271,028.79 is: 406,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,815.28 : 761,796.75 = 271,028.79 : x
  2. Step 2: Convert to fraction form
    507,815.28/761,796.75 = 271,028.79/x
  3. Step 3: Cross multiply
    507,815.28x = 761,796.75 × 271,028.79
  4. Step 4: Simplify right side
    507,815.28x = 206,468,851,378.43
  5. Step 5: Solve for x
    x = 206,468,851,378.43/507,815.28
  6. Step 6: Final answer
    x = 406,582.59

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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.