Home / 993,956.20-1,490,934.30-329,108.20

Finding the Fourth Proportional to 993,956.20, 1,490,934.30 and 329,108.20

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Solution

The fourth proportional to 993,956.20, 1,490,934.30 and 329,108.20 is: 493,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,956.20 : 1,490,934.30 = 329,108.20 : x
  2. Step 2: Convert to fraction form
    993,956.20/1,490,934.30 = 329,108.20/x
  3. Step 3: Cross multiply
    993,956.20x = 1,490,934.30 × 329,108.20
  4. Step 4: Simplify right side
    993,956.20x = 490,678,703,791.26
  5. Step 5: Solve for x
    x = 490,678,703,791.26/993,956.20
  6. Step 6: Final answer
    x = 493,662.30

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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.