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Finding the Fourth Proportional to 576,179.60, 863,232.60 and 493,235.60

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Solution

The fourth proportional to 576,179.60, 863,232.60 and 493,235.60 is: 738,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,179.60 : 863,232.60 = 493,235.60 : x
  2. Step 2: Convert to fraction form
    576,179.60/863,232.60 = 493,235.60/x
  3. Step 3: Cross multiply
    576,179.60x = 863,232.60 × 493,235.60
  4. Step 4: Simplify right side
    576,179.60x = 425,777,049,400.56
  5. Step 5: Solve for x
    x = 425,777,049,400.56/576,179.60
  6. Step 6: Final answer
    x = 738,965.85

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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.