Home / 808,544.21-1,115,796.26-445,977.86

Finding the Fourth Proportional to 808,544.21, 1,115,796.26 and 445,977.86

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Solution

The fourth proportional to 808,544.21, 1,115,796.26 and 445,977.86 is: 615,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,544.21 : 1,115,796.26 = 445,977.86 : x
  2. Step 2: Convert to fraction form
    808,544.21/1,115,796.26 = 445,977.86/x
  3. Step 3: Cross multiply
    808,544.21x = 1,115,796.26 × 445,977.86
  4. Step 4: Simplify right side
    808,544.21x = 497,620,423,766.77
  5. Step 5: Solve for x
    x = 497,620,423,766.77/808,544.21
  6. Step 6: Final answer
    x = 615,452.34

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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.