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Finding the Fourth Proportional to 540,095.60, 809,754.60 and 303,510.80

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Solution

The fourth proportional to 540,095.60, 809,754.60 and 303,510.80 is: 455,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,095.60 : 809,754.60 = 303,510.80 : x
  2. Step 2: Convert to fraction form
    540,095.60/809,754.60 = 303,510.80/x
  3. Step 3: Cross multiply
    540,095.60x = 809,754.60 × 303,510.80
  4. Step 4: Simplify right side
    540,095.60x = 245,769,266,449.68
  5. Step 5: Solve for x
    x = 245,769,266,449.68/540,095.60
  6. Step 6: Final answer
    x = 455,047.71

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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.