Home / 861,205.29-1,291,994.63-262,150.79

Finding the Fourth Proportional to 861,205.29, 1,291,994.63 and 262,150.79

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Solution

The fourth proportional to 861,205.29, 1,291,994.63 and 262,150.79 is: 393,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,205.29 : 1,291,994.63 = 262,150.79 : x
  2. Step 2: Convert to fraction form
    861,205.29/1,291,994.63 = 262,150.79/x
  3. Step 3: Cross multiply
    861,205.29x = 1,291,994.63 × 262,150.79
  4. Step 4: Simplify right side
    861,205.29x = 338,697,414,489.63
  5. Step 5: Solve for x
    x = 338,697,414,489.63/861,205.29
  6. Step 6: Final answer
    x = 393,283.02

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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.