Home / 862,707.44-1,294,014.08-263,668.40

Finding the Fourth Proportional to 862,707.44, 1,294,014.08 and 263,668.40

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Solution

The fourth proportional to 862,707.44, 1,294,014.08 and 263,668.40 is: 395,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,707.44 : 1,294,014.08 = 263,668.40 : x
  2. Step 2: Convert to fraction form
    862,707.44/1,294,014.08 = 263,668.40/x
  3. Step 3: Cross multiply
    862,707.44x = 1,294,014.08 × 263,668.40
  4. Step 4: Simplify right side
    862,707.44x = 341,190,621,092.73
  5. Step 5: Solve for x
    x = 341,190,621,092.73/862,707.44
  6. Step 6: Final answer
    x = 395,488.21

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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.