Home / 726,770.40-1,090,330.56-228,134.40

Finding the Fourth Proportional to 726,770.40, 1,090,330.56 and 228,134.40

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Solution

The fourth proportional to 726,770.40, 1,090,330.56 and 228,134.40 is: 342,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,770.40 : 1,090,330.56 = 228,134.40 : x
  2. Step 2: Convert to fraction form
    726,770.40/1,090,330.56 = 228,134.40/x
  3. Step 3: Cross multiply
    726,770.40x = 1,090,330.56 × 228,134.40
  4. Step 4: Simplify right side
    726,770.40x = 248,741,908,107.26
  5. Step 5: Solve for x
    x = 248,741,908,107.26/726,770.40
  6. Step 6: Final answer
    x = 342,256.52

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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.