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Finding the Fourth Proportional to 555,256.36, 766,183.37 and 325,729.90

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Solution

The fourth proportional to 555,256.36, 766,183.37 and 325,729.90 is: 449,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,256.36 : 766,183.37 = 325,729.90 : x
  2. Step 2: Convert to fraction form
    555,256.36/766,183.37 = 325,729.90/x
  3. Step 3: Cross multiply
    555,256.36x = 766,183.37 × 325,729.90
  4. Step 4: Simplify right side
    555,256.36x = 249,568,831,677.44
  5. Step 5: Solve for x
    x = 249,568,831,677.44/555,256.36
  6. Step 6: Final answer
    x = 449,465.96

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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.