Home / 846,291.78-1,269,441.99-285,331.14

Finding the Fourth Proportional to 846,291.78, 1,269,441.99 and 285,331.14

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Solution

The fourth proportional to 846,291.78, 1,269,441.99 and 285,331.14 is: 427,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,291.78 : 1,269,441.99 = 285,331.14 : x
  2. Step 2: Convert to fraction form
    846,291.78/1,269,441.99 = 285,331.14/x
  3. Step 3: Cross multiply
    846,291.78x = 1,269,441.99 × 285,331.14
  4. Step 4: Simplify right side
    846,291.78x = 362,211,330,170.57
  5. Step 5: Solve for x
    x = 362,211,330,170.57/846,291.78
  6. Step 6: Final answer
    x = 427,998.17

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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.