Home / 763,833-1,145,742.21-464,396.25

Finding the Fourth Proportional to 763,833, 1,145,742.21 and 464,396.25

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Solution

The fourth proportional to 763,833, 1,145,742.21 and 464,396.25 is: 696,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,833 : 1,145,742.21 = 464,396.25 : x
  2. Step 2: Convert to fraction form
    763,833/1,145,742.21 = 464,396.25/x
  3. Step 3: Cross multiply
    763,833x = 1,145,742.21 × 464,396.25
  4. Step 4: Simplify right side
    763,833x = 532,078,383,468.73
  5. Step 5: Solve for x
    x = 532,078,383,468.73/763,833
  6. Step 6: Final answer
    x = 696,589.94

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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.