Home / 902,486.40-1,353,211.20-271,305.60

Finding the Fourth Proportional to 902,486.40, 1,353,211.20 and 271,305.60

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Solution

The fourth proportional to 902,486.40, 1,353,211.20 and 271,305.60 is: 406,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,486.40 : 1,353,211.20 = 271,305.60 : x
  2. Step 2: Convert to fraction form
    902,486.40/1,353,211.20 = 271,305.60/x
  3. Step 3: Cross multiply
    902,486.40x = 1,353,211.20 × 271,305.60
  4. Step 4: Simplify right side
    902,486.40x = 367,133,776,542.72
  5. Step 5: Solve for x
    x = 367,133,776,542.72/902,486.40
  6. Step 6: Final answer
    x = 406,802.56

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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.