Home / 665,239.33-997,844.86-215,959.56

Finding the Fourth Proportional to 665,239.33, 997,844.86 and 215,959.56

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Solution

The fourth proportional to 665,239.33, 997,844.86 and 215,959.56 is: 323,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,239.33 : 997,844.86 = 215,959.56 : x
  2. Step 2: Convert to fraction form
    665,239.33/997,844.86 = 215,959.56/x
  3. Step 3: Cross multiply
    665,239.33x = 997,844.86 × 215,959.56
  4. Step 4: Simplify right side
    665,239.33x = 215,494,136,913.86
  5. Step 5: Solve for x
    x = 215,494,136,913.86/665,239.33
  6. Step 6: Final answer
    x = 323,934.75

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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.