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Finding the Fourth Proportional to 626,538.44, 864,599.92 and 340,052.38

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Solution

The fourth proportional to 626,538.44, 864,599.92 and 340,052.38 is: 469,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,538.44 : 864,599.92 = 340,052.38 : x
  2. Step 2: Convert to fraction form
    626,538.44/864,599.92 = 340,052.38/x
  3. Step 3: Cross multiply
    626,538.44x = 864,599.92 × 340,052.38
  4. Step 4: Simplify right side
    626,538.44x = 294,009,257,532.18
  5. Step 5: Solve for x
    x = 294,009,257,532.18/626,538.44
  6. Step 6: Final answer
    x = 469,259.73

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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.