Home / 726,713.60-1,090,070.40-228,076.80

Finding the Fourth Proportional to 726,713.60, 1,090,070.40 and 228,076.80

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Solution

The fourth proportional to 726,713.60, 1,090,070.40 and 228,076.80 is: 342,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,713.60 : 1,090,070.40 = 228,076.80 : x
  2. Step 2: Convert to fraction form
    726,713.60/1,090,070.40 = 228,076.80/x
  3. Step 3: Cross multiply
    726,713.60x = 1,090,070.40 × 228,076.80
  4. Step 4: Simplify right side
    726,713.60x = 248,619,768,606.72
  5. Step 5: Solve for x
    x = 248,619,768,606.72/726,713.60
  6. Step 6: Final answer
    x = 342,115.20

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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.