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Finding the Fourth Proportional to 533,784.80, 800,968.80 and 218,273.60

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Solution

The fourth proportional to 533,784.80, 800,968.80 and 218,273.60 is: 327,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,784.80 : 800,968.80 = 218,273.60 : x
  2. Step 2: Convert to fraction form
    533,784.80/800,968.80 = 218,273.60/x
  3. Step 3: Cross multiply
    533,784.80x = 800,968.80 × 218,273.60
  4. Step 4: Simplify right side
    533,784.80x = 174,830,343,463.68
  5. Step 5: Solve for x
    x = 174,830,343,463.68/533,784.80
  6. Step 6: Final answer
    x = 327,529.64

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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.