Home / 711,216.42-1,066,930.74-261,902.76

Finding the Fourth Proportional to 711,216.42, 1,066,930.74 and 261,902.76

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Solution

The fourth proportional to 711,216.42, 1,066,930.74 and 261,902.76 is: 392,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,216.42 : 1,066,930.74 = 261,902.76 : x
  2. Step 2: Convert to fraction form
    711,216.42/1,066,930.74 = 261,902.76/x
  3. Step 3: Cross multiply
    711,216.42x = 1,066,930.74 × 261,902.76
  4. Step 4: Simplify right side
    711,216.42x = 279,432,105,534.84
  5. Step 5: Solve for x
    x = 279,432,105,534.84/711,216.42
  6. Step 6: Final answer
    x = 392,893.21

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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.