Home / 846,814.47-1,269,954.11-278,101.86

Finding the Fourth Proportional to 846,814.47, 1,269,954.11 and 278,101.86

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Solution

The fourth proportional to 846,814.47, 1,269,954.11 and 278,101.86 is: 417,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,814.47 : 1,269,954.11 = 278,101.86 : x
  2. Step 2: Convert to fraction form
    846,814.47/1,269,954.11 = 278,101.86/x
  3. Step 3: Cross multiply
    846,814.47x = 1,269,954.11 × 278,101.86
  4. Step 4: Simplify right side
    846,814.47x = 353,176,593,755.87
  5. Step 5: Solve for x
    x = 353,176,593,755.87/846,814.47
  6. Step 6: Final answer
    x = 417,064.90

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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.