Home / 740,311.20-1,110,466.80-267,069.60

Finding the Fourth Proportional to 740,311.20, 1,110,466.80 and 267,069.60

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Solution

The fourth proportional to 740,311.20, 1,110,466.80 and 267,069.60 is: 400,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,311.20 : 1,110,466.80 = 267,069.60 : x
  2. Step 2: Convert to fraction form
    740,311.20/1,110,466.80 = 267,069.60/x
  3. Step 3: Cross multiply
    740,311.20x = 1,110,466.80 × 267,069.60
  4. Step 4: Simplify right side
    740,311.20x = 296,571,924,089.28
  5. Step 5: Solve for x
    x = 296,571,924,089.28/740,311.20
  6. Step 6: Final answer
    x = 400,604.40

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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.