Home / 689,832.99-1,034,874.63-285,025.97

Finding the Fourth Proportional to 689,832.99, 1,034,874.63 and 285,025.97

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Solution

The fourth proportional to 689,832.99, 1,034,874.63 and 285,025.97 is: 427,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,832.99 : 1,034,874.63 = 285,025.97 : x
  2. Step 2: Convert to fraction form
    689,832.99/1,034,874.63 = 285,025.97/x
  3. Step 3: Cross multiply
    689,832.99x = 1,034,874.63 × 285,025.97
  4. Step 4: Simplify right side
    689,832.99x = 294,966,147,831.33
  5. Step 5: Solve for x
    x = 294,966,147,831.33/689,832.99
  6. Step 6: Final answer
    x = 427,590.67

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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.