Home / 861,313.74-1,291,478.31-262,097.70

Finding the Fourth Proportional to 861,313.74, 1,291,478.31 and 262,097.70

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Solution

The fourth proportional to 861,313.74, 1,291,478.31 and 262,097.70 is: 392,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,313.74 : 1,291,478.31 = 262,097.70 : x
  2. Step 2: Convert to fraction form
    861,313.74/1,291,478.31 = 262,097.70/x
  3. Step 3: Cross multiply
    861,313.74x = 1,291,478.31 × 262,097.70
  4. Step 4: Simplify right side
    861,313.74x = 338,493,494,650.89
  5. Step 5: Solve for x
    x = 338,493,494,650.89/861,313.74
  6. Step 6: Final answer
    x = 392,996.74

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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.