Home / 711,095.76-981,277.74-405,243.81

Finding the Fourth Proportional to 711,095.76, 981,277.74 and 405,243.81

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Solution

The fourth proportional to 711,095.76, 981,277.74 and 405,243.81 is: 559,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,095.76 : 981,277.74 = 405,243.81 : x
  2. Step 2: Convert to fraction form
    711,095.76/981,277.74 = 405,243.81/x
  3. Step 3: Cross multiply
    711,095.76x = 981,277.74 × 405,243.81
  4. Step 4: Simplify right side
    711,095.76x = 397,656,730,025.79
  5. Step 5: Solve for x
    x = 397,656,730,025.79/711,095.76
  6. Step 6: Final answer
    x = 559,216.85

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