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Finding the Fourth Proportional to 612,233.76, 844,846.42 and 340,292.31

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Solution

The fourth proportional to 612,233.76, 844,846.42 and 340,292.31 is: 469,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,233.76 : 844,846.42 = 340,292.31 : x
  2. Step 2: Convert to fraction form
    612,233.76/844,846.42 = 340,292.31/x
  3. Step 3: Cross multiply
    612,233.76x = 844,846.42 × 340,292.31
  4. Step 4: Simplify right side
    612,233.76x = 287,494,739,857.03
  5. Step 5: Solve for x
    x = 287,494,739,857.03/612,233.76
  6. Step 6: Final answer
    x = 469,583.28

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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.