Home / 809,749.70-1,214,624.55-248,812.10

Finding the Fourth Proportional to 809,749.70, 1,214,624.55 and 248,812.10

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Solution

The fourth proportional to 809,749.70, 1,214,624.55 and 248,812.10 is: 373,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,749.70 : 1,214,624.55 = 248,812.10 : x
  2. Step 2: Convert to fraction form
    809,749.70/1,214,624.55 = 248,812.10/x
  3. Step 3: Cross multiply
    809,749.70x = 1,214,624.55 × 248,812.10
  4. Step 4: Simplify right side
    809,749.70x = 302,213,284,997.06
  5. Step 5: Solve for x
    x = 302,213,284,997.06/809,749.70
  6. Step 6: Final answer
    x = 373,218.15

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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.