Home / 753,917.64-1,040,557.68-447,935.16

Finding the Fourth Proportional to 753,917.64, 1,040,557.68 and 447,935.16

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Solution

The fourth proportional to 753,917.64, 1,040,557.68 and 447,935.16 is: 618,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,917.64 : 1,040,557.68 = 447,935.16 : x
  2. Step 2: Convert to fraction form
    753,917.64/1,040,557.68 = 447,935.16/x
  3. Step 3: Cross multiply
    753,917.64x = 1,040,557.68 × 447,935.16
  4. Step 4: Simplify right side
    753,917.64x = 466,102,370,880.03
  5. Step 5: Solve for x
    x = 466,102,370,880.03/753,917.64
  6. Step 6: Final answer
    x = 618,240.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.