Home / 954,400.60-1,431,610.80-280,493.92

Finding the Fourth Proportional to 954,400.60, 1,431,610.80 and 280,493.92

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Solution

The fourth proportional to 954,400.60, 1,431,610.80 and 280,493.92 is: 420,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,400.60 : 1,431,610.80 = 280,493.92 : x
  2. Step 2: Convert to fraction form
    954,400.60/1,431,610.80 = 280,493.92/x
  3. Step 3: Cross multiply
    954,400.60x = 1,431,610.80 × 280,493.92
  4. Step 4: Simplify right side
    954,400.60x = 401,558,125,206.34
  5. Step 5: Solve for x
    x = 401,558,125,206.34/954,400.60
  6. Step 6: Final answer
    x = 420,743.79

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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.