Home / 513,740.20-770,610.30-264,908.20

Finding the Fourth Proportional to 513,740.20, 770,610.30 and 264,908.20

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Solution

The fourth proportional to 513,740.20, 770,610.30 and 264,908.20 is: 397,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,740.20 : 770,610.30 = 264,908.20 : x
  2. Step 2: Convert to fraction form
    513,740.20/770,610.30 = 264,908.20/x
  3. Step 3: Cross multiply
    513,740.20x = 770,610.30 × 264,908.20
  4. Step 4: Simplify right side
    513,740.20x = 204,140,987,474.46
  5. Step 5: Solve for x
    x = 204,140,987,474.46/513,740.20
  6. Step 6: Final answer
    x = 397,362.30

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Similar ratio
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1.5x scale

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.