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Finding the Fourth Proportional to 624,274.70, 936,412.05 and 269,980.70

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Solution

The fourth proportional to 624,274.70, 936,412.05 and 269,980.70 is: 404,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,274.70 : 936,412.05 = 269,980.70 : x
  2. Step 2: Convert to fraction form
    624,274.70/936,412.05 = 269,980.70/x
  3. Step 3: Cross multiply
    624,274.70x = 936,412.05 × 269,980.70
  4. Step 4: Simplify right side
    624,274.70x = 252,813,180,747.44
  5. Step 5: Solve for x
    x = 252,813,180,747.44/624,274.70
  6. Step 6: Final answer
    x = 404,971.05

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Similar ratio
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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.