Home / 764,581.41-1,146,792.80-259,129.26

Finding the Fourth Proportional to 764,581.41, 1,146,792.80 and 259,129.26

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Solution

The fourth proportional to 764,581.41, 1,146,792.80 and 259,129.26 is: 388,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,581.41 : 1,146,792.80 = 259,129.26 : x
  2. Step 2: Convert to fraction form
    764,581.41/1,146,792.80 = 259,129.26/x
  3. Step 3: Cross multiply
    764,581.41x = 1,146,792.80 × 259,129.26
  4. Step 4: Simplify right side
    764,581.41x = 297,167,570,285.15
  5. Step 5: Solve for x
    x = 297,167,570,285.15/764,581.41
  6. Step 6: Final answer
    x = 388,667.01

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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.