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Finding the Fourth Proportional to 612,006.94, 844,558.36 and 340,069.88

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Solution

The fourth proportional to 612,006.94, 844,558.36 and 340,069.88 is: 469,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,006.94 : 844,558.36 = 340,069.88 : x
  2. Step 2: Convert to fraction form
    612,006.94/844,558.36 = 340,069.88/x
  3. Step 3: Cross multiply
    612,006.94x = 844,558.36 × 340,069.88
  4. Step 4: Simplify right side
    612,006.94x = 287,208,860,138.20
  5. Step 5: Solve for x
    x = 287,208,860,138.20/612,006.94
  6. Step 6: Final answer
    x = 469,290.20

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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.