Home / 1,095,589.20-1,643,383.80-307,518.80

Finding the Fourth Proportional to 1,095,589.20, 1,643,383.80 and 307,518.80

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Solution

The fourth proportional to 1,095,589.20, 1,643,383.80 and 307,518.80 is: 461,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,589.20 : 1,643,383.80 = 307,518.80 : x
  2. Step 2: Convert to fraction form
    1,095,589.20/1,643,383.80 = 307,518.80/x
  3. Step 3: Cross multiply
    1,095,589.20x = 1,643,383.80 × 307,518.80
  4. Step 4: Simplify right side
    1,095,589.20x = 505,371,414,115.44
  5. Step 5: Solve for x
    x = 505,371,414,115.44/1,095,589.20
  6. Step 6: Final answer
    x = 461,278.20

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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.