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Finding the Fourth Proportional to 649,019.50, 973,877.81 and 270,201.71

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Solution

The fourth proportional to 649,019.50, 973,877.81 and 270,201.71 is: 405,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,019.50 : 973,877.81 = 270,201.71 : x
  2. Step 2: Convert to fraction form
    649,019.50/973,877.81 = 270,201.71/x
  3. Step 3: Cross multiply
    649,019.50x = 973,877.81 × 270,201.71
  4. Step 4: Simplify right side
    649,019.50x = 263,143,450,676.74
  5. Step 5: Solve for x
    x = 263,143,450,676.74/649,019.50
  6. Step 6: Final answer
    x = 405,447.68

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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.