Home / 726,714.60-1,090,071.90-228,077.80

Finding the Fourth Proportional to 726,714.60, 1,090,071.90 and 228,077.80

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Solution

The fourth proportional to 726,714.60, 1,090,071.90 and 228,077.80 is: 342,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,714.60 : 1,090,071.90 = 228,077.80 : x
  2. Step 2: Convert to fraction form
    726,714.60/1,090,071.90 = 228,077.80/x
  3. Step 3: Cross multiply
    726,714.60x = 1,090,071.90 × 228,077.80
  4. Step 4: Simplify right side
    726,714.60x = 248,621,200,793.82
  5. Step 5: Solve for x
    x = 248,621,200,793.82/726,714.60
  6. Step 6: Final answer
    x = 342,116.70

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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.