Home / 665,227.89-997,827.66-215,948.03

Finding the Fourth Proportional to 665,227.89, 997,827.66 and 215,948.03

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Solution

The fourth proportional to 665,227.89, 997,827.66 and 215,948.03 is: 323,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,227.89 : 997,827.66 = 215,948.03 : x
  2. Step 2: Convert to fraction form
    665,227.89/997,827.66 = 215,948.03/x
  3. Step 3: Cross multiply
    665,227.89x = 997,827.66 × 215,948.03
  4. Step 4: Simplify right side
    665,227.89x = 215,478,912,467.37
  5. Step 5: Solve for x
    x = 215,478,912,467.37/665,227.89
  6. Step 6: Final answer
    x = 323,917.44

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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.