Home / 861,617.03-1,292,474.14-262,597.73

Finding the Fourth Proportional to 861,617.03, 1,292,474.14 and 262,597.73

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Solution

The fourth proportional to 861,617.03, 1,292,474.14 and 262,597.73 is: 393,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,617.03 : 1,292,474.14 = 262,597.73 : x
  2. Step 2: Convert to fraction form
    861,617.03/1,292,474.14 = 262,597.73/x
  3. Step 3: Cross multiply
    861,617.03x = 1,292,474.14 × 262,597.73
  4. Step 4: Simplify right side
    861,617.03x = 339,400,768,128.84
  5. Step 5: Solve for x
    x = 339,400,768,128.84/861,617.03
  6. Step 6: Final answer
    x = 393,911.40

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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.