Home / 842,551.71-1,263,868.57-235,339.36

Finding the Fourth Proportional to 842,551.71, 1,263,868.57 and 235,339.36

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Solution

The fourth proportional to 842,551.71, 1,263,868.57 and 235,339.36 is: 353,020.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,551.71 : 1,263,868.57 = 235,339.36 : x
  2. Step 2: Convert to fraction form
    842,551.71/1,263,868.57 = 235,339.36/x
  3. Step 3: Cross multiply
    842,551.71x = 1,263,868.57 × 235,339.36
  4. Step 4: Simplify right side
    842,551.71x = 297,438,016,198.63
  5. Step 5: Solve for x
    x = 297,438,016,198.63/842,551.71
  6. Step 6: Final answer
    x = 353,020.49

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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.