Home / 731,409.18-1,096,719.29-331,831.94

Finding the Fourth Proportional to 731,409.18, 1,096,719.29 and 331,831.94

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Solution

The fourth proportional to 731,409.18, 1,096,719.29 and 331,831.94 is: 497,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,409.18 : 1,096,719.29 = 331,831.94 : x
  2. Step 2: Convert to fraction form
    731,409.18/1,096,719.29 = 331,831.94/x
  3. Step 3: Cross multiply
    731,409.18x = 1,096,719.29 × 331,831.94
  4. Step 4: Simplify right side
    731,409.18x = 363,926,484,982.11
  5. Step 5: Solve for x
    x = 363,926,484,982.11/731,409.18
  6. Step 6: Final answer
    x = 497,568.93

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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.