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Finding the Fourth Proportional to 540,777.56, 810,728.91 and 330,344.42

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Solution

The fourth proportional to 540,777.56, 810,728.91 and 330,344.42 is: 495,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,777.56 : 810,728.91 = 330,344.42 : x
  2. Step 2: Convert to fraction form
    540,777.56/810,728.91 = 330,344.42/x
  3. Step 3: Cross multiply
    540,777.56x = 810,728.91 × 330,344.42
  4. Step 4: Simplify right side
    540,777.56x = 267,819,767,497.54
  5. Step 5: Solve for x
    x = 267,819,767,497.54/540,777.56
  6. Step 6: Final answer
    x = 495,249.41

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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.