Home / 993,999.30-1,490,998.95-329,151.30

Finding the Fourth Proportional to 993,999.30, 1,490,998.95 and 329,151.30

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Solution

The fourth proportional to 993,999.30, 1,490,998.95 and 329,151.30 is: 493,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,999.30 : 1,490,998.95 = 329,151.30 : x
  2. Step 2: Convert to fraction form
    993,999.30/1,490,998.95 = 329,151.30/x
  3. Step 3: Cross multiply
    993,999.30x = 1,490,998.95 × 329,151.30
  4. Step 4: Simplify right side
    993,999.30x = 490,764,242,691.14
  5. Step 5: Solve for x
    x = 490,764,242,691.14/993,999.30
  6. Step 6: Final answer
    x = 493,726.95

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Half scale
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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.