Home / 837,481.28-1,155,667.29-455,499.86

Finding the Fourth Proportional to 837,481.28, 1,155,667.29 and 455,499.86

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Solution

The fourth proportional to 837,481.28, 1,155,667.29 and 455,499.86 is: 628,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,481.28 : 1,155,667.29 = 455,499.86 : x
  2. Step 2: Convert to fraction form
    837,481.28/1,155,667.29 = 455,499.86/x
  3. Step 3: Cross multiply
    837,481.28x = 1,155,667.29 × 455,499.86
  4. Step 4: Simplify right side
    837,481.28x = 526,406,283,023.24
  5. Step 5: Solve for x
    x = 526,406,283,023.24/837,481.28
  6. Step 6: Final answer
    x = 628,558.87

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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.