Home / 547,634.80-821,746.28-228,007.32

Finding the Fourth Proportional to 547,634.80, 821,746.28 and 228,007.32

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Solution

The fourth proportional to 547,634.80, 821,746.28 and 228,007.32 is: 342,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,634.80 : 821,746.28 = 228,007.32 : x
  2. Step 2: Convert to fraction form
    547,634.80/821,746.28 = 228,007.32/x
  3. Step 3: Cross multiply
    547,634.80x = 821,746.28 × 228,007.32
  4. Step 4: Simplify right side
    547,634.80x = 187,364,167,022.77
  5. Step 5: Solve for x
    x = 187,364,167,022.77/547,634.80
  6. Step 6: Final answer
    x = 342,133.42

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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.