Home / 830,759.10-1,246,138.65-269,850.30

Finding the Fourth Proportional to 830,759.10, 1,246,138.65 and 269,850.30

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Solution

The fourth proportional to 830,759.10, 1,246,138.65 and 269,850.30 is: 404,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,759.10 : 1,246,138.65 = 269,850.30 : x
  2. Step 2: Convert to fraction form
    830,759.10/1,246,138.65 = 269,850.30/x
  3. Step 3: Cross multiply
    830,759.10x = 1,246,138.65 × 269,850.30
  4. Step 4: Simplify right side
    830,759.10x = 336,270,888,544.10
  5. Step 5: Solve for x
    x = 336,270,888,544.10/830,759.10
  6. Step 6: Final answer
    x = 404,775.45

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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.