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Finding the Fourth Proportional to 540,002.40, 810,003.60 and 494,512.80

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Solution

The fourth proportional to 540,002.40, 810,003.60 and 494,512.80 is: 741,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,002.40 : 810,003.60 = 494,512.80 : x
  2. Step 2: Convert to fraction form
    540,002.40/810,003.60 = 494,512.80/x
  3. Step 3: Cross multiply
    540,002.40x = 810,003.60 × 494,512.80
  4. Step 4: Simplify right side
    540,002.40x = 400,557,148,246.08
  5. Step 5: Solve for x
    x = 400,557,148,246.08/540,002.40
  6. Step 6: Final answer
    x = 741,769.20

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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.