Home / 846,120.78-1,269,185.49-285,160.14

Finding the Fourth Proportional to 846,120.78, 1,269,185.49 and 285,160.14

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Solution

The fourth proportional to 846,120.78, 1,269,185.49 and 285,160.14 is: 427,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,120.78 : 1,269,185.49 = 285,160.14 : x
  2. Step 2: Convert to fraction form
    846,120.78/1,269,185.49 = 285,160.14/x
  3. Step 3: Cross multiply
    846,120.78x = 1,269,185.49 × 285,160.14
  4. Step 4: Simplify right side
    846,120.78x = 361,921,112,014.37
  5. Step 5: Solve for x
    x = 361,921,112,014.37/846,120.78
  6. Step 6: Final answer
    x = 427,741.67

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Double scale
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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.