Home / 731,085.60-1,096,628.40-198,672.60

Finding the Fourth Proportional to 731,085.60, 1,096,628.40 and 198,672.60

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Solution

The fourth proportional to 731,085.60, 1,096,628.40 and 198,672.60 is: 298,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,085.60 : 1,096,628.40 = 198,672.60 : x
  2. Step 2: Convert to fraction form
    731,085.60/1,096,628.40 = 198,672.60/x
  3. Step 3: Cross multiply
    731,085.60x = 1,096,628.40 × 198,672.60
  4. Step 4: Simplify right side
    731,085.60x = 217,870,015,461.84
  5. Step 5: Solve for x
    x = 217,870,015,461.84/731,085.60
  6. Step 6: Final answer
    x = 298,008.90

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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.