Home / 802,540.58-1,107,476.30-435,009.83

Finding the Fourth Proportional to 802,540.58, 1,107,476.30 and 435,009.83

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Solution

The fourth proportional to 802,540.58, 1,107,476.30 and 435,009.83 is: 600,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,540.58 : 1,107,476.30 = 435,009.83 : x
  2. Step 2: Convert to fraction form
    802,540.58/1,107,476.30 = 435,009.83/x
  3. Step 3: Cross multiply
    802,540.58x = 1,107,476.30 × 435,009.83
  4. Step 4: Simplify right side
    802,540.58x = 481,763,072,542.17
  5. Step 5: Solve for x
    x = 481,763,072,542.17/802,540.58
  6. Step 6: Final answer
    x = 600,297.46

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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.