Home / 765,635.49-1,148,365.76-204,713.73

Finding the Fourth Proportional to 765,635.49, 1,148,365.76 and 204,713.73

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Solution

The fourth proportional to 765,635.49, 1,148,365.76 and 204,713.73 is: 307,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,635.49 : 1,148,365.76 = 204,713.73 : x
  2. Step 2: Convert to fraction form
    765,635.49/1,148,365.76 = 204,713.73/x
  3. Step 3: Cross multiply
    765,635.49x = 1,148,365.76 × 204,713.73
  4. Step 4: Simplify right side
    765,635.49x = 235,086,237,110.32
  5. Step 5: Solve for x
    x = 235,086,237,110.32/765,635.49
  6. Step 6: Final answer
    x = 307,047.20

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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.