Home / 654,879.54-982,482.76-228,421.46

Finding the Fourth Proportional to 654,879.54, 982,482.76 and 228,421.46

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Solution

The fourth proportional to 654,879.54, 982,482.76 and 228,421.46 is: 342,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,879.54 : 982,482.76 = 228,421.46 : x
  2. Step 2: Convert to fraction form
    654,879.54/982,482.76 = 228,421.46/x
  3. Step 3: Cross multiply
    654,879.54x = 982,482.76 × 228,421.46
  4. Step 4: Simplify right side
    654,879.54x = 224,420,146,464.03
  5. Step 5: Solve for x
    x = 224,420,146,464.03/654,879.54
  6. Step 6: Final answer
    x = 342,689.20

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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.