Home / 644,668.08-966,017.16-270,486.96

Finding the Fourth Proportional to 644,668.08, 966,017.16 and 270,486.96

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Solution

The fourth proportional to 644,668.08, 966,017.16 and 270,486.96 is: 405,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,668.08 : 966,017.16 = 270,486.96 : x
  2. Step 2: Convert to fraction form
    644,668.08/966,017.16 = 270,486.96/x
  3. Step 3: Cross multiply
    644,668.08x = 966,017.16 × 270,486.96
  4. Step 4: Simplify right side
    644,668.08x = 261,295,044,916.23
  5. Step 5: Solve for x
    x = 261,295,044,916.23/644,668.08
  6. Step 6: Final answer
    x = 405,317.17

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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.