Home / 671,978.64-1,007,851.32-228,746.64

Finding the Fourth Proportional to 671,978.64, 1,007,851.32 and 228,746.64

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Solution

The fourth proportional to 671,978.64, 1,007,851.32 and 228,746.64 is: 343,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,978.64 : 1,007,851.32 = 228,746.64 : x
  2. Step 2: Convert to fraction form
    671,978.64/1,007,851.32 = 228,746.64/x
  3. Step 3: Cross multiply
    671,978.64x = 1,007,851.32 × 228,746.64
  4. Step 4: Simplify right side
    671,978.64x = 230,542,603,069.57
  5. Step 5: Solve for x
    x = 230,542,603,069.57/671,978.64
  6. Step 6: Final answer
    x = 343,080.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.