Home / 807,664.40-1,211,485.80-246,701.60

Finding the Fourth Proportional to 807,664.40, 1,211,485.80 and 246,701.60

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Solution

The fourth proportional to 807,664.40, 1,211,485.80 and 246,701.60 is: 370,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,664.40 : 1,211,485.80 = 246,701.60 : x
  2. Step 2: Convert to fraction form
    807,664.40/1,211,485.80 = 246,701.60/x
  3. Step 3: Cross multiply
    807,664.40x = 1,211,485.80 × 246,701.60
  4. Step 4: Simplify right side
    807,664.40x = 298,875,485,237.28
  5. Step 5: Solve for x
    x = 298,875,485,237.28/807,664.40
  6. Step 6: Final answer
    x = 370,049.10

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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.