Home / 554,863.46-831,945.27-305,720.42

Finding the Fourth Proportional to 554,863.46, 831,945.27 and 305,720.42

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Solution

The fourth proportional to 554,863.46, 831,945.27 and 305,720.42 is: 458,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,863.46 : 831,945.27 = 305,720.42 : x
  2. Step 2: Convert to fraction form
    554,863.46/831,945.27 = 305,720.42/x
  3. Step 3: Cross multiply
    554,863.46x = 831,945.27 × 305,720.42
  4. Step 4: Simplify right side
    554,863.46x = 254,342,657,361.41
  5. Step 5: Solve for x
    x = 254,342,657,361.41/554,863.46
  6. Step 6: Final answer
    x = 458,387.83

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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.