Home / 993,020.20-1,489,530.30-328,172.20

Finding the Fourth Proportional to 993,020.20, 1,489,530.30 and 328,172.20

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Solution

The fourth proportional to 993,020.20, 1,489,530.30 and 328,172.20 is: 492,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,020.20 : 1,489,530.30 = 328,172.20 : x
  2. Step 2: Convert to fraction form
    993,020.20/1,489,530.30 = 328,172.20/x
  3. Step 3: Cross multiply
    993,020.20x = 1,489,530.30 × 328,172.20
  4. Step 4: Simplify right side
    993,020.20x = 488,822,435,517.66
  5. Step 5: Solve for x
    x = 488,822,435,517.66/993,020.20
  6. Step 6: Final answer
    x = 492,258.30

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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.