Home / 976,871.31-1,465,517.49-302,939.07

Finding the Fourth Proportional to 976,871.31, 1,465,517.49 and 302,939.07

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Solution

The fourth proportional to 976,871.31, 1,465,517.49 and 302,939.07 is: 454,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,871.31 : 1,465,517.49 = 302,939.07 : x
  2. Step 2: Convert to fraction form
    976,871.31/1,465,517.49 = 302,939.07/x
  3. Step 3: Cross multiply
    976,871.31x = 1,465,517.49 × 302,939.07
  4. Step 4: Simplify right side
    976,871.31x = 443,962,505,489.33
  5. Step 5: Solve for x
    x = 443,962,505,489.33/976,871.31
  6. Step 6: Final answer
    x = 454,473.89

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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.