Home / 699,107.10-1,048,490.24-193,654.95

Finding the Fourth Proportional to 699,107.10, 1,048,490.24 and 193,654.95

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Solution

The fourth proportional to 699,107.10, 1,048,490.24 and 193,654.95 is: 290,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,107.10 : 1,048,490.24 = 193,654.95 : x
  2. Step 2: Convert to fraction form
    699,107.10/1,048,490.24 = 193,654.95/x
  3. Step 3: Cross multiply
    699,107.10x = 1,048,490.24 × 193,654.95
  4. Step 4: Simplify right side
    699,107.10x = 203,045,321,191.88
  5. Step 5: Solve for x
    x = 203,045,321,191.88/699,107.10
  6. Step 6: Final answer
    x = 290,435.22

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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.