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Finding the Fourth Proportional to 525,650.40, 788,475.60 and 327,232.80

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Solution

The fourth proportional to 525,650.40, 788,475.60 and 327,232.80 is: 490,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,650.40 : 788,475.60 = 327,232.80 : x
  2. Step 2: Convert to fraction form
    525,650.40/788,475.60 = 327,232.80/x
  3. Step 3: Cross multiply
    525,650.40x = 788,475.60 × 327,232.80
  4. Step 4: Simplify right side
    525,650.40x = 258,015,078,319.68
  5. Step 5: Solve for x
    x = 258,015,078,319.68/525,650.40
  6. Step 6: Final answer
    x = 490,849.20

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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.