Home / 831,547.44-1,147,529.88-468,974.43

Finding the Fourth Proportional to 831,547.44, 1,147,529.88 and 468,974.43

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Solution

The fourth proportional to 831,547.44, 1,147,529.88 and 468,974.43 is: 647,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,547.44 : 1,147,529.88 = 468,974.43 : x
  2. Step 2: Convert to fraction form
    831,547.44/1,147,529.88 = 468,974.43/x
  3. Step 3: Cross multiply
    831,547.44x = 1,147,529.88 × 468,974.43
  4. Step 4: Simplify right side
    831,547.44x = 538,162,171,380.97
  5. Step 5: Solve for x
    x = 538,162,171,380.97/831,547.44
  6. Step 6: Final answer
    x = 647,181.56

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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.