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Finding the Fourth Proportional to 565,795.49, 780,773.99 and 320,796.72

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Solution

The fourth proportional to 565,795.49, 780,773.99 and 320,796.72 is: 442,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,795.49 : 780,773.99 = 320,796.72 : x
  2. Step 2: Convert to fraction form
    565,795.49/780,773.99 = 320,796.72/x
  3. Step 3: Cross multiply
    565,795.49x = 780,773.99 × 320,796.72
  4. Step 4: Simplify right side
    565,795.49x = 250,469,733,449.33
  5. Step 5: Solve for x
    x = 250,469,733,449.33/565,795.49
  6. Step 6: Final answer
    x = 442,685.99

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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.