Home / 644,481-966,926.94-270,403.56

Finding the Fourth Proportional to 644,481, 966,926.94 and 270,403.56

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Solution

The fourth proportional to 644,481, 966,926.94 and 270,403.56 is: 405,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,481 : 966,926.94 = 270,403.56 : x
  2. Step 2: Convert to fraction form
    644,481/966,926.94 = 270,403.56/x
  3. Step 3: Cross multiply
    644,481x = 966,926.94 × 270,403.56
  4. Step 4: Simplify right side
    644,481x = 261,460,486,835.91
  5. Step 5: Solve for x
    x = 261,460,486,835.91/644,481
  6. Step 6: Final answer
    x = 405,691.54

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1.5x scale

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.