Home / 666,661.75-1,000,096.50-217,278.34

Finding the Fourth Proportional to 666,661.75, 1,000,096.50 and 217,278.34

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Solution

The fourth proportional to 666,661.75, 1,000,096.50 and 217,278.34 is: 325,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,661.75 : 1,000,096.50 = 217,278.34 : x
  2. Step 2: Convert to fraction form
    666,661.75/1,000,096.50 = 217,278.34/x
  3. Step 3: Cross multiply
    666,661.75x = 1,000,096.50 × 217,278.34
  4. Step 4: Simplify right side
    666,661.75x = 217,299,307,359.81
  5. Step 5: Solve for x
    x = 217,299,307,359.81/666,661.75
  6. Step 6: Final answer
    x = 325,951.36

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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.