Home / 804,622.80-1,206,934.20-243,657.30

Finding the Fourth Proportional to 804,622.80, 1,206,934.20 and 243,657.30

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Solution

The fourth proportional to 804,622.80, 1,206,934.20 and 243,657.30 is: 365,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,622.80 : 1,206,934.20 = 243,657.30 : x
  2. Step 2: Convert to fraction form
    804,622.80/1,206,934.20 = 243,657.30/x
  3. Step 3: Cross multiply
    804,622.80x = 1,206,934.20 × 243,657.30
  4. Step 4: Simplify right side
    804,622.80x = 294,078,328,449.66
  5. Step 5: Solve for x
    x = 294,078,328,449.66/804,622.80
  6. Step 6: Final answer
    x = 365,485.95

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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.