Home / 854,439.75-1,281,940.43-349,425.54

Finding the Fourth Proportional to 854,439.75, 1,281,940.43 and 349,425.54

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Solution

The fourth proportional to 854,439.75, 1,281,940.43 and 349,425.54 is: 524,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,439.75 : 1,281,940.43 = 349,425.54 : x
  2. Step 2: Convert to fraction form
    854,439.75/1,281,940.43 = 349,425.54/x
  3. Step 3: Cross multiply
    854,439.75x = 1,281,940.43 × 349,425.54
  4. Step 4: Simplify right side
    854,439.75x = 447,942,725,253.45
  5. Step 5: Solve for x
    x = 447,942,725,253.45/854,439.75
  6. Step 6: Final answer
    x = 524,253.14

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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.