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Finding the Fourth Proportional to 626,773.19, 864,946.95 and 340,293.30

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Solution

The fourth proportional to 626,773.19, 864,946.95 and 340,293.30 is: 469,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,773.19 : 864,946.95 = 340,293.30 : x
  2. Step 2: Convert to fraction form
    626,773.19/864,946.95 = 340,293.30/x
  3. Step 3: Cross multiply
    626,773.19x = 864,946.95 × 340,293.30
  4. Step 4: Simplify right side
    626,773.19x = 294,335,651,940.44
  5. Step 5: Solve for x
    x = 294,335,651,940.44/626,773.19
  6. Step 6: Final answer
    x = 469,604.73

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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.