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Finding the Fourth Proportional to 382,064.80, 573,097.20 and 328,410.40

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Solution

The fourth proportional to 382,064.80, 573,097.20 and 328,410.40 is: 492,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,064.80 : 573,097.20 = 328,410.40 : x
  2. Step 2: Convert to fraction form
    382,064.80/573,097.20 = 328,410.40/x
  3. Step 3: Cross multiply
    382,064.80x = 573,097.20 × 328,410.40
  4. Step 4: Simplify right side
    382,064.80x = 188,211,080,690.88
  5. Step 5: Solve for x
    x = 188,211,080,690.88/382,064.80
  6. Step 6: Final answer
    x = 492,615.60

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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.