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Finding the Fourth Proportional to 530,056.16, 731,496.72 and 303,745.44

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Solution

The fourth proportional to 530,056.16, 731,496.72 and 303,745.44 is: 419,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,056.16 : 731,496.72 = 303,745.44 : x
  2. Step 2: Convert to fraction form
    530,056.16/731,496.72 = 303,745.44/x
  3. Step 3: Cross multiply
    530,056.16x = 731,496.72 × 303,745.44
  4. Step 4: Simplify right side
    530,056.16x = 222,188,793,074.96
  5. Step 5: Solve for x
    x = 222,188,793,074.96/530,056.16
  6. Step 6: Final answer
    x = 419,179.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.