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Finding the Fourth Proportional to 444,055.36, 612,868.80 and 330,090.88

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Solution

The fourth proportional to 444,055.36, 612,868.80 and 330,090.88 is: 455,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,055.36 : 612,868.80 = 330,090.88 : x
  2. Step 2: Convert to fraction form
    444,055.36/612,868.80 = 330,090.88/x
  3. Step 3: Cross multiply
    444,055.36x = 612,868.80 × 330,090.88
  4. Step 4: Simplify right side
    444,055.36x = 202,302,401,516.54
  5. Step 5: Solve for x
    x = 202,302,401,516.54/444,055.36
  6. Step 6: Final answer
    x = 455,579.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.