Home / 762,481.10-1,143,721.65-419,996.90

Finding the Fourth Proportional to 762,481.10, 1,143,721.65 and 419,996.90

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Solution

The fourth proportional to 762,481.10, 1,143,721.65 and 419,996.90 is: 629,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,481.10 : 1,143,721.65 = 419,996.90 : x
  2. Step 2: Convert to fraction form
    762,481.10/1,143,721.65 = 419,996.90/x
  3. Step 3: Cross multiply
    762,481.10x = 1,143,721.65 × 419,996.90
  4. Step 4: Simplify right side
    762,481.10x = 480,359,547,462.89
  5. Step 5: Solve for x
    x = 480,359,547,462.89/762,481.10
  6. Step 6: Final answer
    x = 629,995.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.