Home / 671,996.40-1,008,455.40-298,287.60

Finding the Fourth Proportional to 671,996.40, 1,008,455.40 and 298,287.60

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Solution

The fourth proportional to 671,996.40, 1,008,455.40 and 298,287.60 is: 447,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,996.40 : 1,008,455.40 = 298,287.60 : x
  2. Step 2: Convert to fraction form
    671,996.40/1,008,455.40 = 298,287.60/x
  3. Step 3: Cross multiply
    671,996.40x = 1,008,455.40 × 298,287.60
  4. Step 4: Simplify right side
    671,996.40x = 300,809,740,973.04
  5. Step 5: Solve for x
    x = 300,809,740,973.04/671,996.40
  6. Step 6: Final answer
    x = 447,635.94

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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.