Home / 484,946.51-727,419.45-228,719.49

Finding the Fourth Proportional to 484,946.51, 727,419.45 and 228,719.49

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Solution

The fourth proportional to 484,946.51, 727,419.45 and 228,719.49 is: 343,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,946.51 : 727,419.45 = 228,719.49 : x
  2. Step 2: Convert to fraction form
    484,946.51/727,419.45 = 228,719.49/x
  3. Step 3: Cross multiply
    484,946.51x = 727,419.45 × 228,719.49
  4. Step 4: Simplify right side
    484,946.51x = 166,375,003,749.96
  5. Step 5: Solve for x
    x = 166,375,003,749.96/484,946.51
  6. Step 6: Final answer
    x = 343,079.09

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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.