Home / 868,302.72-1,302,576.39-269,312.58

Finding the Fourth Proportional to 868,302.72, 1,302,576.39 and 269,312.58

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Solution

The fourth proportional to 868,302.72, 1,302,576.39 and 269,312.58 is: 404,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,302.72 : 1,302,576.39 = 269,312.58 : x
  2. Step 2: Convert to fraction form
    868,302.72/1,302,576.39 = 269,312.58/x
  3. Step 3: Cross multiply
    868,302.72x = 1,302,576.39 × 269,312.58
  4. Step 4: Simplify right side
    868,302.72x = 350,800,208,237.99
  5. Step 5: Solve for x
    x = 350,800,208,237.99/868,302.72
  6. Step 6: Final answer
    x = 404,006.81

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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.