Home / 837,811.18-1,156,144.88-455,839.48

Finding the Fourth Proportional to 837,811.18, 1,156,144.88 and 455,839.48

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Solution

The fourth proportional to 837,811.18, 1,156,144.88 and 455,839.48 is: 629,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,811.18 : 1,156,144.88 = 455,839.48 : x
  2. Step 2: Convert to fraction form
    837,811.18/1,156,144.88 = 455,839.48/x
  3. Step 3: Cross multiply
    837,811.18x = 1,156,144.88 × 455,839.48
  4. Step 4: Simplify right side
    837,811.18x = 527,016,480,903.86
  5. Step 5: Solve for x
    x = 527,016,480,903.86/837,811.18
  6. Step 6: Final answer
    x = 629,039.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.