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Finding the Fourth Proportional to 612,106.02, 844,689.24 and 340,166.88

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Solution

The fourth proportional to 612,106.02, 844,689.24 and 340,166.88 is: 469,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,106.02 : 844,689.24 = 340,166.88 : x
  2. Step 2: Convert to fraction form
    612,106.02/844,689.24 = 340,166.88/x
  3. Step 3: Cross multiply
    612,106.02x = 844,689.24 × 340,166.88
  4. Step 4: Simplify right side
    612,106.02x = 287,335,303,340.37
  5. Step 5: Solve for x
    x = 287,335,303,340.37/612,106.02
  6. Step 6: Final answer
    x = 469,420.81

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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.