Home / 731,395.91-1,096,894.28-218,940.81

Finding the Fourth Proportional to 731,395.91, 1,096,894.28 and 218,940.81

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Solution

The fourth proportional to 731,395.91, 1,096,894.28 and 218,940.81 is: 328,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,395.91 : 1,096,894.28 = 218,940.81 : x
  2. Step 2: Convert to fraction form
    731,395.91/1,096,894.28 = 218,940.81/x
  3. Step 3: Cross multiply
    731,395.91x = 1,096,894.28 × 218,940.81
  4. Step 4: Simplify right side
    731,395.91x = 240,154,921,052.86
  5. Step 5: Solve for x
    x = 240,154,921,052.86/731,395.91
  6. Step 6: Final answer
    x = 328,351.47

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1.5x scale

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.