Home / 891,361.89-1,337,451.08-386,077.41

Finding the Fourth Proportional to 891,361.89, 1,337,451.08 and 386,077.41

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Solution

The fourth proportional to 891,361.89, 1,337,451.08 and 386,077.41 is: 579,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,361.89 : 1,337,451.08 = 386,077.41 : x
  2. Step 2: Convert to fraction form
    891,361.89/1,337,451.08 = 386,077.41/x
  3. Step 3: Cross multiply
    891,361.89x = 1,337,451.08 × 386,077.41
  4. Step 4: Simplify right side
    891,361.89x = 516,359,647,037.72
  5. Step 5: Solve for x
    x = 516,359,647,037.72/891,361.89
  6. Step 6: Final answer
    x = 579,292.94

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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.