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Finding the Fourth Proportional to 626,532.57, 864,615.75 and 340,052.73

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Solution

The fourth proportional to 626,532.57, 864,615.75 and 340,052.73 is: 469,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,532.57 : 864,615.75 = 340,052.73 : x
  2. Step 2: Convert to fraction form
    626,532.57/864,615.75 = 340,052.73/x
  3. Step 3: Cross multiply
    626,532.57x = 864,615.75 × 340,052.73
  4. Step 4: Simplify right side
    626,532.57x = 294,014,946,188.50
  5. Step 5: Solve for x
    x = 294,014,946,188.50/626,532.57
  6. Step 6: Final answer
    x = 469,273.20

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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.