Home / 768,023.40-1,152,035.10-235,540.20

Finding the Fourth Proportional to 768,023.40, 1,152,035.10 and 235,540.20

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Solution

The fourth proportional to 768,023.40, 1,152,035.10 and 235,540.20 is: 353,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,023.40 : 1,152,035.10 = 235,540.20 : x
  2. Step 2: Convert to fraction form
    768,023.40/1,152,035.10 = 235,540.20/x
  3. Step 3: Cross multiply
    768,023.40x = 1,152,035.10 × 235,540.20
  4. Step 4: Simplify right side
    768,023.40x = 271,350,577,861.02
  5. Step 5: Solve for x
    x = 271,350,577,861.02/768,023.40
  6. Step 6: Final answer
    x = 353,310.30

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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.