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Finding the Fourth Proportional to 647,597.60, 971,396.40 and 226,818.80

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Solution

The fourth proportional to 647,597.60, 971,396.40 and 226,818.80 is: 340,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,597.60 : 971,396.40 = 226,818.80 : x
  2. Step 2: Convert to fraction form
    647,597.60/971,396.40 = 226,818.80/x
  3. Step 3: Cross multiply
    647,597.60x = 971,396.40 × 226,818.80
  4. Step 4: Simplify right side
    647,597.60x = 220,330,965,772.32
  5. Step 5: Solve for x
    x = 220,330,965,772.32/647,597.60
  6. Step 6: Final answer
    x = 340,228.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.