Home / 711,035.96-1,066,660.13-261,722.66

Finding the Fourth Proportional to 711,035.96, 1,066,660.13 and 261,722.66

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Solution

The fourth proportional to 711,035.96, 1,066,660.13 and 261,722.66 is: 392,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,035.96 : 1,066,660.13 = 261,722.66 : x
  2. Step 2: Convert to fraction form
    711,035.96/1,066,660.13 = 261,722.66/x
  3. Step 3: Cross multiply
    711,035.96x = 1,066,660.13 × 261,722.66
  4. Step 4: Simplify right side
    711,035.96x = 279,169,121,860.55
  5. Step 5: Solve for x
    x = 279,169,121,860.55/711,035.96
  6. Step 6: Final answer
    x = 392,623.07

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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.