Home / 868,628.20-1,302,942.30-658,676.20

Finding the Fourth Proportional to 868,628.20, 1,302,942.30 and 658,676.20

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Solution

The fourth proportional to 868,628.20, 1,302,942.30 and 658,676.20 is: 988,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,628.20 : 1,302,942.30 = 658,676.20 : x
  2. Step 2: Convert to fraction form
    868,628.20/1,302,942.30 = 658,676.20/x
  3. Step 3: Cross multiply
    868,628.20x = 1,302,942.30 × 658,676.20
  4. Step 4: Simplify right side
    868,628.20x = 858,217,082,983.26
  5. Step 5: Solve for x
    x = 858,217,082,983.26/868,628.20
  6. Step 6: Final answer
    x = 988,014.30

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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.