Home / 993,002.20-1,489,503.30-328,154.20

Finding the Fourth Proportional to 993,002.20, 1,489,503.30 and 328,154.20

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Solution

The fourth proportional to 993,002.20, 1,489,503.30 and 328,154.20 is: 492,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,002.20 : 1,489,503.30 = 328,154.20 : x
  2. Step 2: Convert to fraction form
    993,002.20/1,489,503.30 = 328,154.20/x
  3. Step 3: Cross multiply
    993,002.20x = 1,489,503.30 × 328,154.20
  4. Step 4: Simplify right side
    993,002.20x = 488,786,763,808.86
  5. Step 5: Solve for x
    x = 488,786,763,808.86/993,002.20
  6. Step 6: Final answer
    x = 492,231.30

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Double scale
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Similar ratio
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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.