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Finding the Fourth Proportional to 626,542.80, 864,630.05 and 340,063.01

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Solution

The fourth proportional to 626,542.80, 864,630.05 and 340,063.01 is: 469,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,542.80 : 864,630.05 = 340,063.01 : x
  2. Step 2: Convert to fraction form
    626,542.80/864,630.05 = 340,063.01/x
  3. Step 3: Cross multiply
    626,542.80x = 864,630.05 × 340,063.01
  4. Step 4: Simplify right side
    626,542.80x = 294,028,694,558.35
  5. Step 5: Solve for x
    x = 294,028,694,558.35/626,542.80
  6. Step 6: Final answer
    x = 469,287.49

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