Home / 825,721.18-1,238,583.64-226,690.54

Finding the Fourth Proportional to 825,721.18, 1,238,583.64 and 226,690.54

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Solution

The fourth proportional to 825,721.18, 1,238,583.64 and 226,690.54 is: 340,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,721.18 : 1,238,583.64 = 226,690.54 : x
  2. Step 2: Convert to fraction form
    825,721.18/1,238,583.64 = 226,690.54/x
  3. Step 3: Cross multiply
    825,721.18x = 1,238,583.64 × 226,690.54
  4. Step 4: Simplify right side
    825,721.18x = 280,775,194,186.77
  5. Step 5: Solve for x
    x = 280,775,194,186.77/825,721.18
  6. Step 6: Final answer
    x = 340,036.32

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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.