Home / 464,825.20-697,698.60-228,434.80

Finding the Fourth Proportional to 464,825.20, 697,698.60 and 228,434.80

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Solution

The fourth proportional to 464,825.20, 697,698.60 and 228,434.80 is: 342,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,825.20 : 697,698.60 = 228,434.80 : x
  2. Step 2: Convert to fraction form
    464,825.20/697,698.60 = 228,434.80/x
  3. Step 3: Cross multiply
    464,825.20x = 697,698.60 × 228,434.80
  4. Step 4: Simplify right side
    464,825.20x = 159,378,640,151.28
  5. Step 5: Solve for x
    x = 159,378,640,151.28/464,825.20
  6. Step 6: Final answer
    x = 342,878.66

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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.