Home / 1,004,999.80-1,507,062.30-330,820.60

Finding the Fourth Proportional to 1,004,999.80, 1,507,062.30 and 330,820.60

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Solution

The fourth proportional to 1,004,999.80, 1,507,062.30 and 330,820.60 is: 496,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,999.80 : 1,507,062.30 = 330,820.60 : x
  2. Step 2: Convert to fraction form
    1,004,999.80/1,507,062.30 = 330,820.60/x
  3. Step 3: Cross multiply
    1,004,999.80x = 1,507,062.30 × 330,820.60
  4. Step 4: Simplify right side
    1,004,999.80x = 498,567,254,323.38
  5. Step 5: Solve for x
    x = 498,567,254,323.38/1,004,999.80
  6. Step 6: Final answer
    x = 496,086.92

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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.