Home / 902,191.78-1,353,309.63-303,161.62

Finding the Fourth Proportional to 902,191.78, 1,353,309.63 and 303,161.62

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Solution

The fourth proportional to 902,191.78, 1,353,309.63 and 303,161.62 is: 454,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,191.78 : 1,353,309.63 = 303,161.62 : x
  2. Step 2: Convert to fraction form
    902,191.78/1,353,309.63 = 303,161.62/x
  3. Step 3: Cross multiply
    902,191.78x = 1,353,309.63 × 303,161.62
  4. Step 4: Simplify right side
    902,191.78x = 410,271,539,792.40
  5. Step 5: Solve for x
    x = 410,271,539,792.40/902,191.78
  6. Step 6: Final answer
    x = 454,749.81

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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.