Home / 846,191.70-1,269,251.55-285,225.30

Finding the Fourth Proportional to 846,191.70, 1,269,251.55 and 285,225.30

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Solution

The fourth proportional to 846,191.70, 1,269,251.55 and 285,225.30 is: 427,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,191.70 : 1,269,251.55 = 285,225.30 : x
  2. Step 2: Convert to fraction form
    846,191.70/1,269,251.55 = 285,225.30/x
  3. Step 3: Cross multiply
    846,191.70x = 1,269,251.55 × 285,225.30
  4. Step 4: Simplify right side
    846,191.70x = 362,022,654,124.22
  5. Step 5: Solve for x
    x = 362,022,654,124.22/846,191.70
  6. Step 6: Final answer
    x = 427,825.82

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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.