Home / 802,912.80-1,204,369.20-487,466.40

Finding the Fourth Proportional to 802,912.80, 1,204,369.20 and 487,466.40

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Solution

The fourth proportional to 802,912.80, 1,204,369.20 and 487,466.40 is: 731,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,912.80 : 1,204,369.20 = 487,466.40 : x
  2. Step 2: Convert to fraction form
    802,912.80/1,204,369.20 = 487,466.40/x
  3. Step 3: Cross multiply
    802,912.80x = 1,204,369.20 × 487,466.40
  4. Step 4: Simplify right side
    802,912.80x = 587,089,518,194.88
  5. Step 5: Solve for x
    x = 587,089,518,194.88/802,912.80
  6. Step 6: Final answer
    x = 731,199.60

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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.