Home / 711,518.48-981,892.56-384,831.85

Finding the Fourth Proportional to 711,518.48, 981,892.56 and 384,831.85

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Solution

The fourth proportional to 711,518.48, 981,892.56 and 384,831.85 is: 531,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,518.48 : 981,892.56 = 384,831.85 : x
  2. Step 2: Convert to fraction form
    711,518.48/981,892.56 = 384,831.85/x
  3. Step 3: Cross multiply
    711,518.48x = 981,892.56 × 384,831.85
  4. Step 4: Simplify right side
    711,518.48x = 377,863,527,911.31
  5. Step 5: Solve for x
    x = 377,863,527,911.31/711,518.48
  6. Step 6: Final answer
    x = 531,066.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.