Home / 809,474.34-1,213,999.80-240,702.24

Finding the Fourth Proportional to 809,474.34, 1,213,999.80 and 240,702.24

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Solution

The fourth proportional to 809,474.34, 1,213,999.80 and 240,702.24 is: 360,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,474.34 : 1,213,999.80 = 240,702.24 : x
  2. Step 2: Convert to fraction form
    809,474.34/1,213,999.80 = 240,702.24/x
  3. Step 3: Cross multiply
    809,474.34x = 1,213,999.80 × 240,702.24
  4. Step 4: Simplify right side
    809,474.34x = 292,212,471,219.55
  5. Step 5: Solve for x
    x = 292,212,471,219.55/809,474.34
  6. Step 6: Final answer
    x = 360,990.41

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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.