Home / 837,481.95-1,155,716.44-455,508.63

Finding the Fourth Proportional to 837,481.95, 1,155,716.44 and 455,508.63

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Solution

The fourth proportional to 837,481.95, 1,155,716.44 and 455,508.63 is: 628,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,481.95 : 1,155,716.44 = 455,508.63 : x
  2. Step 2: Convert to fraction form
    837,481.95/1,155,716.44 = 455,508.63/x
  3. Step 3: Cross multiply
    837,481.95x = 1,155,716.44 × 455,508.63
  4. Step 4: Simplify right side
    837,481.95x = 526,438,811,114.11
  5. Step 5: Solve for x
    x = 526,438,811,114.11/837,481.95
  6. Step 6: Final answer
    x = 628,597.20

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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.