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Finding the Fourth Proportional to 433,803.60, 650,608.20 and 285,087.60

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Solution

The fourth proportional to 433,803.60, 650,608.20 and 285,087.60 is: 427,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,803.60 : 650,608.20 = 285,087.60 : x
  2. Step 2: Convert to fraction form
    433,803.60/650,608.20 = 285,087.60/x
  3. Step 3: Cross multiply
    433,803.60x = 650,608.20 × 285,087.60
  4. Step 4: Simplify right side
    433,803.60x = 185,480,330,278.32
  5. Step 5: Solve for x
    x = 185,480,330,278.32/433,803.60
  6. Step 6: Final answer
    x = 427,567.52

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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.