Home / 762,606.26-1,052,361.42-418,433.61

Finding the Fourth Proportional to 762,606.26, 1,052,361.42 and 418,433.61

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Solution

The fourth proportional to 762,606.26, 1,052,361.42 and 418,433.61 is: 577,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,606.26 : 1,052,361.42 = 418,433.61 : x
  2. Step 2: Convert to fraction form
    762,606.26/1,052,361.42 = 418,433.61/x
  3. Step 3: Cross multiply
    762,606.26x = 1,052,361.42 × 418,433.61
  4. Step 4: Simplify right side
    762,606.26x = 440,343,390,372.56
  5. Step 5: Solve for x
    x = 440,343,390,372.56/762,606.26
  6. Step 6: Final answer
    x = 577,419.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.