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Finding the Fourth Proportional to 540,724.52, 810,584.76 and 256,548.62

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Solution

The fourth proportional to 540,724.52, 810,584.76 and 256,548.62 is: 384,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,724.52 : 810,584.76 = 256,548.62 : x
  2. Step 2: Convert to fraction form
    540,724.52/810,584.76 = 256,548.62/x
  3. Step 3: Cross multiply
    540,724.52x = 810,584.76 × 256,548.62
  4. Step 4: Simplify right side
    540,724.52x = 207,954,401,571.03
  5. Step 5: Solve for x
    x = 207,954,401,571.03/540,724.52
  6. Step 6: Final answer
    x = 384,584.74

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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.