Home / 687,273.66-1,030,774.41-231,819.84

Finding the Fourth Proportional to 687,273.66, 1,030,774.41 and 231,819.84

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Solution

The fourth proportional to 687,273.66, 1,030,774.41 and 231,819.84 is: 347,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,273.66 : 1,030,774.41 = 231,819.84 : x
  2. Step 2: Convert to fraction form
    687,273.66/1,030,774.41 = 231,819.84/x
  3. Step 3: Cross multiply
    687,273.66x = 1,030,774.41 × 231,819.84
  4. Step 4: Simplify right side
    687,273.66x = 238,953,958,802.29
  5. Step 5: Solve for x
    x = 238,953,958,802.29/687,273.66
  6. Step 6: Final answer
    x = 347,683.86

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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.