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Finding the Fourth Proportional to 540,003.60, 809,616.60 and 303,418.80

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Solution

The fourth proportional to 540,003.60, 809,616.60 and 303,418.80 is: 454,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,003.60 : 809,616.60 = 303,418.80 : x
  2. Step 2: Convert to fraction form
    540,003.60/809,616.60 = 303,418.80/x
  3. Step 3: Cross multiply
    540,003.60x = 809,616.60 × 303,418.80
  4. Step 4: Simplify right side
    540,003.60x = 245,652,897,232.08
  5. Step 5: Solve for x
    x = 245,652,897,232.08/540,003.60
  6. Step 6: Final answer
    x = 454,909.74

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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.