Home / 810,831.62-1,118,912.48-443,301.71

Finding the Fourth Proportional to 810,831.62, 1,118,912.48 and 443,301.71

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Solution

The fourth proportional to 810,831.62, 1,118,912.48 and 443,301.71 is: 611,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,831.62 : 1,118,912.48 = 443,301.71 : x
  2. Step 2: Convert to fraction form
    810,831.62/1,118,912.48 = 443,301.71/x
  3. Step 3: Cross multiply
    810,831.62x = 1,118,912.48 × 443,301.71
  4. Step 4: Simplify right side
    810,831.62x = 496,015,810,710.55
  5. Step 5: Solve for x
    x = 496,015,810,710.55/810,831.62
  6. Step 6: Final answer
    x = 611,737.14

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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.