Home / 648,830.10-973,245.15-228,051.30

Finding the Fourth Proportional to 648,830.10, 973,245.15 and 228,051.30

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Solution

The fourth proportional to 648,830.10, 973,245.15 and 228,051.30 is: 342,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,830.10 : 973,245.15 = 228,051.30 : x
  2. Step 2: Convert to fraction form
    648,830.10/973,245.15 = 228,051.30/x
  3. Step 3: Cross multiply
    648,830.10x = 973,245.15 × 228,051.30
  4. Step 4: Simplify right side
    648,830.10x = 221,949,821,676.20
  5. Step 5: Solve for x
    x = 221,949,821,676.20/648,830.10
  6. Step 6: Final answer
    x = 342,076.95

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Double scale
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Similar ratio
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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.