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Finding the Fourth Proportional to 560,706.54, 773,778.39 and 306,052.26

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Solution

The fourth proportional to 560,706.54, 773,778.39 and 306,052.26 is: 422,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,706.54 : 773,778.39 = 306,052.26 : x
  2. Step 2: Convert to fraction form
    560,706.54/773,778.39 = 306,052.26/x
  3. Step 3: Cross multiply
    560,706.54x = 773,778.39 × 306,052.26
  4. Step 4: Simplify right side
    560,706.54x = 236,816,624,998.66
  5. Step 5: Solve for x
    x = 236,816,624,998.66/560,706.54
  6. Step 6: Final answer
    x = 422,353.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.