Home / 788,896.20-1,183,344.30-227,987.40

Finding the Fourth Proportional to 788,896.20, 1,183,344.30 and 227,987.40

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Solution

The fourth proportional to 788,896.20, 1,183,344.30 and 227,987.40 is: 341,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,896.20 : 1,183,344.30 = 227,987.40 : x
  2. Step 2: Convert to fraction form
    788,896.20/1,183,344.30 = 227,987.40/x
  3. Step 3: Cross multiply
    788,896.20x = 1,183,344.30 × 227,987.40
  4. Step 4: Simplify right side
    788,896.20x = 269,787,590,261.82
  5. Step 5: Solve for x
    x = 269,787,590,261.82/788,896.20
  6. Step 6: Final answer
    x = 341,981.10

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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.