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Finding the Fourth Proportional to 902,057.13, 1,353,242.03 and 303,076.71

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Solution

The fourth proportional to 902,057.13, 1,353,242.03 and 303,076.71 is: 454,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,057.13 : 1,353,242.03 = 303,076.71 : x
  2. Step 2: Convert to fraction form
    902,057.13/1,353,242.03 = 303,076.71/x
  3. Step 3: Cross multiply
    902,057.13x = 1,353,242.03 × 303,076.71
  4. Step 4: Simplify right side
    902,057.13x = 410,136,140,770.74
  5. Step 5: Solve for x
    x = 410,136,140,770.74/902,057.13
  6. Step 6: Final answer
    x = 454,667.59

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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.