Home / 668,820.80-1,003,231.20-248,009.60

Finding the Fourth Proportional to 668,820.80, 1,003,231.20 and 248,009.60

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Solution

The fourth proportional to 668,820.80, 1,003,231.20 and 248,009.60 is: 372,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,820.80 : 1,003,231.20 = 248,009.60 : x
  2. Step 2: Convert to fraction form
    668,820.80/1,003,231.20 = 248,009.60/x
  3. Step 3: Cross multiply
    668,820.80x = 1,003,231.20 × 248,009.60
  4. Step 4: Simplify right side
    668,820.80x = 248,810,968,619.52
  5. Step 5: Solve for x
    x = 248,810,968,619.52/668,820.80
  6. Step 6: Final answer
    x = 372,014.40

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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.