Home / 810,144.14-1,118,093.91-488,016.86

Finding the Fourth Proportional to 810,144.14, 1,118,093.91 and 488,016.86

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Solution

The fourth proportional to 810,144.14, 1,118,093.91 and 488,016.86 is: 673,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,144.14 : 1,118,093.91 = 488,016.86 : x
  2. Step 2: Convert to fraction form
    810,144.14/1,118,093.91 = 488,016.86/x
  3. Step 3: Cross multiply
    810,144.14x = 1,118,093.91 × 488,016.86
  4. Step 4: Simplify right side
    810,144.14x = 545,648,679,143.32
  5. Step 5: Solve for x
    x = 545,648,679,143.32/810,144.14
  6. Step 6: Final answer
    x = 673,520.49

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1.5x scale

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.