Home / 463,741.08-640,003.26-259,788.72

Finding the Fourth Proportional to 463,741.08, 640,003.26 and 259,788.72

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Solution

The fourth proportional to 463,741.08, 640,003.26 and 259,788.72 is: 358,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,741.08 : 640,003.26 = 259,788.72 : x
  2. Step 2: Convert to fraction form
    463,741.08/640,003.26 = 259,788.72/x
  3. Step 3: Cross multiply
    463,741.08x = 640,003.26 × 259,788.72
  4. Step 4: Simplify right side
    463,741.08x = 166,265,627,711.23
  5. Step 5: Solve for x
    x = 166,265,627,711.23/463,741.08
  6. Step 6: Final answer
    x = 358,531.16

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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.