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Finding the Fourth Proportional to 618,604.60, 927,464.10 and 239,200.60

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Solution

The fourth proportional to 618,604.60, 927,464.10 and 239,200.60 is: 358,629.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,604.60 : 927,464.10 = 239,200.60 : x
  2. Step 2: Convert to fraction form
    618,604.60/927,464.10 = 239,200.60/x
  3. Step 3: Cross multiply
    618,604.60x = 927,464.10 × 239,200.60
  4. Step 4: Simplify right side
    618,604.60x = 221,849,969,198.46
  5. Step 5: Solve for x
    x = 221,849,969,198.46/618,604.60
  6. Step 6: Final answer
    x = 358,629.68

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1.5x scale

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.