Home / 720,192.24-1,080,599.40-404,175.60

Finding the Fourth Proportional to 720,192.24, 1,080,599.40 and 404,175.60

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Solution

The fourth proportional to 720,192.24, 1,080,599.40 and 404,175.60 is: 606,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,192.24 : 1,080,599.40 = 404,175.60 : x
  2. Step 2: Convert to fraction form
    720,192.24/1,080,599.40 = 404,175.60/x
  3. Step 3: Cross multiply
    720,192.24x = 1,080,599.40 × 404,175.60
  4. Step 4: Simplify right side
    720,192.24x = 436,751,910,854.64
  5. Step 5: Solve for x
    x = 436,751,910,854.64/720,192.24
  6. Step 6: Final answer
    x = 606,437.96

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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.