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Finding the Fourth Proportional to 612,173.28, 844,813.49 and 340,252.64

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Solution

The fourth proportional to 612,173.28, 844,813.49 and 340,252.64 is: 469,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,173.28 : 844,813.49 = 340,252.64 : x
  2. Step 2: Convert to fraction form
    612,173.28/844,813.49 = 340,252.64/x
  3. Step 3: Cross multiply
    612,173.28x = 844,813.49 × 340,252.64
  4. Step 4: Simplify right side
    612,173.28x = 287,450,020,280.11
  5. Step 5: Solve for x
    x = 287,450,020,280.11/612,173.28
  6. Step 6: Final answer
    x = 469,556.63

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1.5x scale

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.