Home / 644,480.50-966,926.19-270,403.06

Finding the Fourth Proportional to 644,480.50, 966,926.19 and 270,403.06

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Solution

The fourth proportional to 644,480.50, 966,926.19 and 270,403.06 is: 405,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,480.50 : 966,926.19 = 270,403.06 : x
  2. Step 2: Convert to fraction form
    644,480.50/966,926.19 = 270,403.06/x
  3. Step 3: Cross multiply
    644,480.50x = 966,926.19 × 270,403.06
  4. Step 4: Simplify right side
    644,480.50x = 261,459,800,570.14
  5. Step 5: Solve for x
    x = 261,459,800,570.14/644,480.50
  6. Step 6: Final answer
    x = 405,690.79

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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.