Home / 756,856.55-1,135,440.54-307,576.41

Finding the Fourth Proportional to 756,856.55, 1,135,440.54 and 307,576.41

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Solution

The fourth proportional to 756,856.55, 1,135,440.54 and 307,576.41 is: 461,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,856.55 : 1,135,440.54 = 307,576.41 : x
  2. Step 2: Convert to fraction form
    756,856.55/1,135,440.54 = 307,576.41/x
  3. Step 3: Cross multiply
    756,856.55x = 1,135,440.54 × 307,576.41
  4. Step 4: Simplify right side
    756,856.55x = 349,234,725,061.66
  5. Step 5: Solve for x
    x = 349,234,725,061.66/756,856.55
  6. Step 6: Final answer
    x = 461,427.90

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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.