Home / 846,284.96-1,269,457.68-285,324.32

Finding the Fourth Proportional to 846,284.96, 1,269,457.68 and 285,324.32

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Solution

The fourth proportional to 846,284.96, 1,269,457.68 and 285,324.32 is: 427,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,284.96 : 1,269,457.68 = 285,324.32 : x
  2. Step 2: Convert to fraction form
    846,284.96/1,269,457.68 = 285,324.32/x
  3. Step 3: Cross multiply
    846,284.96x = 1,269,457.68 × 285,324.32
  4. Step 4: Simplify right side
    846,284.96x = 362,207,149,314.78
  5. Step 5: Solve for x
    x = 362,207,149,314.78/846,284.96
  6. Step 6: Final answer
    x = 427,996.68

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Double scale
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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.