Home / 763,694.08-1,145,748.48-231,232.96

Finding the Fourth Proportional to 763,694.08, 1,145,748.48 and 231,232.96

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Solution

The fourth proportional to 763,694.08, 1,145,748.48 and 231,232.96 is: 346,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,694.08 : 1,145,748.48 = 231,232.96 : x
  2. Step 2: Convert to fraction form
    763,694.08/1,145,748.48 = 231,232.96/x
  3. Step 3: Cross multiply
    763,694.08x = 1,145,748.48 × 231,232.96
  4. Step 4: Simplify right side
    763,694.08x = 264,934,812,445.90
  5. Step 5: Solve for x
    x = 264,934,812,445.90/763,694.08
  6. Step 6: Final answer
    x = 346,912.22

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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.