Home / 954,579.78-1,431,525.20-280,480.76

Finding the Fourth Proportional to 954,579.78, 1,431,525.20 and 280,480.76

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Solution

The fourth proportional to 954,579.78, 1,431,525.20 and 280,480.76 is: 420,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,579.78 : 1,431,525.20 = 280,480.76 : x
  2. Step 2: Convert to fraction form
    954,579.78/1,431,525.20 = 280,480.76/x
  3. Step 3: Cross multiply
    954,579.78x = 1,431,525.20 × 280,480.76
  4. Step 4: Simplify right side
    954,579.78x = 401,515,276,055.15
  5. Step 5: Solve for x
    x = 401,515,276,055.15/954,579.78
  6. Step 6: Final answer
    x = 420,619.93

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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.