Home / 825,940.16-1,239,258.72-451,525.76

Finding the Fourth Proportional to 825,940.16, 1,239,258.72 and 451,525.76

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Solution

The fourth proportional to 825,940.16, 1,239,258.72 and 451,525.76 is: 677,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,940.16 : 1,239,258.72 = 451,525.76 : x
  2. Step 2: Convert to fraction form
    825,940.16/1,239,258.72 = 451,525.76/x
  3. Step 3: Cross multiply
    825,940.16x = 1,239,258.72 × 451,525.76
  4. Step 4: Simplify right side
    825,940.16x = 559,557,235,384.63
  5. Step 5: Solve for x
    x = 559,557,235,384.63/825,940.16
  6. Step 6: Final answer
    x = 677,479.15

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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.