Home / 413,244.80-618,992.40-324,015.20

Finding the Fourth Proportional to 413,244.80, 618,992.40 and 324,015.20

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Solution

The fourth proportional to 413,244.80, 618,992.40 and 324,015.20 is: 485,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,244.80 : 618,992.40 = 324,015.20 : x
  2. Step 2: Convert to fraction form
    413,244.80/618,992.40 = 324,015.20/x
  3. Step 3: Cross multiply
    413,244.80x = 618,992.40 × 324,015.20
  4. Step 4: Simplify right side
    413,244.80x = 200,562,946,284.48
  5. Step 5: Solve for x
    x = 200,562,946,284.48/413,244.80
  6. Step 6: Final answer
    x = 485,336.89

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1.5x scale

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.