Home / 400,930.24-553,283.69-239,785.27

Finding the Fourth Proportional to 400,930.24, 553,283.69 and 239,785.27

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Solution

The fourth proportional to 400,930.24, 553,283.69 and 239,785.27 is: 330,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,930.24 : 553,283.69 = 239,785.27 : x
  2. Step 2: Convert to fraction form
    400,930.24/553,283.69 = 239,785.27/x
  3. Step 3: Cross multiply
    400,930.24x = 553,283.69 × 239,785.27
  4. Step 4: Simplify right side
    400,930.24x = 132,669,275,927.10
  5. Step 5: Solve for x
    x = 132,669,275,927.10/400,930.24
  6. Step 6: Final answer
    x = 330,903.64

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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.