Home / 861,211.54-1,292,004-262,157.04

Finding the Fourth Proportional to 861,211.54, 1,292,004 and 262,157.04

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Solution

The fourth proportional to 861,211.54, 1,292,004 and 262,157.04 is: 393,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,211.54 : 1,292,004 = 262,157.04 : x
  2. Step 2: Convert to fraction form
    861,211.54/1,292,004 = 262,157.04/x
  3. Step 3: Cross multiply
    861,211.54x = 1,292,004 × 262,157.04
  4. Step 4: Simplify right side
    861,211.54x = 338,707,944,308.16
  5. Step 5: Solve for x
    x = 338,707,944,308.16/861,211.54
  6. Step 6: Final answer
    x = 393,292.39

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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.