Home / 809,485.06-1,214,116.80-240,953.90

Finding the Fourth Proportional to 809,485.06, 1,214,116.80 and 240,953.90

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Solution

The fourth proportional to 809,485.06, 1,214,116.80 and 240,953.90 is: 361,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,485.06 : 1,214,116.80 = 240,953.90 : x
  2. Step 2: Convert to fraction form
    809,485.06/1,214,116.80 = 240,953.90/x
  3. Step 3: Cross multiply
    809,485.06x = 1,214,116.80 × 240,953.90
  4. Step 4: Simplify right side
    809,485.06x = 292,546,178,015.52
  5. Step 5: Solve for x
    x = 292,546,178,015.52/809,485.06
  6. Step 6: Final answer
    x = 361,397.87

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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.