Home / 667,269.60-1,000,807.20-193,905.60

Finding the Fourth Proportional to 667,269.60, 1,000,807.20 and 193,905.60

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Solution

The fourth proportional to 667,269.60, 1,000,807.20 and 193,905.60 is: 290,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,269.60 : 1,000,807.20 = 193,905.60 : x
  2. Step 2: Convert to fraction form
    667,269.60/1,000,807.20 = 193,905.60/x
  3. Step 3: Cross multiply
    667,269.60x = 1,000,807.20 × 193,905.60
  4. Step 4: Simplify right side
    667,269.60x = 194,062,120,600.32
  5. Step 5: Solve for x
    x = 194,062,120,600.32/667,269.60
  6. Step 6: Final answer
    x = 290,830.15

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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.