Home / 724,086.53-1,085,162.46-381,831.96

Finding the Fourth Proportional to 724,086.53, 1,085,162.46 and 381,831.96

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Solution

The fourth proportional to 724,086.53, 1,085,162.46 and 381,831.96 is: 572,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,086.53 : 1,085,162.46 = 381,831.96 : x
  2. Step 2: Convert to fraction form
    724,086.53/1,085,162.46 = 381,831.96/x
  3. Step 3: Cross multiply
    724,086.53x = 1,085,162.46 × 381,831.96
  4. Step 4: Simplify right side
    724,086.53x = 414,349,709,020.22
  5. Step 5: Solve for x
    x = 414,349,709,020.22/724,086.53
  6. Step 6: Final answer
    x = 572,237.84

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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.