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Finding the Fourth Proportional to 612,022.63, 844,574.32 and 340,083.49

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Solution

The fourth proportional to 612,022.63, 844,574.32 and 340,083.49 is: 469,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,022.63 : 844,574.32 = 340,083.49 : x
  2. Step 2: Convert to fraction form
    612,022.63/844,574.32 = 340,083.49/x
  3. Step 3: Cross multiply
    612,022.63x = 844,574.32 × 340,083.49
  4. Step 4: Simplify right side
    612,022.63x = 287,225,782,309.98
  5. Step 5: Solve for x
    x = 287,225,782,309.98/612,022.63
  6. Step 6: Final answer
    x = 469,305.82

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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.