Home / 695,542.60-1,043,313.90-538,078.60

Finding the Fourth Proportional to 695,542.60, 1,043,313.90 and 538,078.60

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Solution

The fourth proportional to 695,542.60, 1,043,313.90 and 538,078.60 is: 807,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,542.60 : 1,043,313.90 = 538,078.60 : x
  2. Step 2: Convert to fraction form
    695,542.60/1,043,313.90 = 538,078.60/x
  3. Step 3: Cross multiply
    695,542.60x = 1,043,313.90 × 538,078.60
  4. Step 4: Simplify right side
    695,542.60x = 561,384,882,672.54
  5. Step 5: Solve for x
    x = 561,384,882,672.54/695,542.60
  6. Step 6: Final answer
    x = 807,117.90

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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.