Home / 626,542.58-864,629.40-340,062.73

Finding the Fourth Proportional to 626,542.58, 864,629.40 and 340,062.73

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Solution

The fourth proportional to 626,542.58, 864,629.40 and 340,062.73 is: 469,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,542.58 : 864,629.40 = 340,062.73 : x
  2. Step 2: Convert to fraction form
    626,542.58/864,629.40 = 340,062.73/x
  3. Step 3: Cross multiply
    626,542.58x = 864,629.40 × 340,062.73
  4. Step 4: Simplify right side
    626,542.58x = 294,028,233,315.92
  5. Step 5: Solve for x
    x = 294,028,233,315.92/626,542.58
  6. Step 6: Final answer
    x = 469,286.91

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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.