Home / 993,078.20-1,489,617.30-328,230.20

Finding the Fourth Proportional to 993,078.20, 1,489,617.30 and 328,230.20

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Solution

The fourth proportional to 993,078.20, 1,489,617.30 and 328,230.20 is: 492,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,078.20 : 1,489,617.30 = 328,230.20 : x
  2. Step 2: Convert to fraction form
    993,078.20/1,489,617.30 = 328,230.20/x
  3. Step 3: Cross multiply
    993,078.20x = 1,489,617.30 × 328,230.20
  4. Step 4: Simplify right side
    993,078.20x = 488,937,384,302.46
  5. Step 5: Solve for x
    x = 488,937,384,302.46/993,078.20
  6. Step 6: Final answer
    x = 492,345.30

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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.