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Finding the Fourth Proportional to 573,225.52, 791,045.48 and 318,571.60

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Solution

The fourth proportional to 573,225.52, 791,045.48 and 318,571.60 is: 439,625.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,225.52 : 791,045.48 = 318,571.60 : x
  2. Step 2: Convert to fraction form
    573,225.52/791,045.48 = 318,571.60/x
  3. Step 3: Cross multiply
    573,225.52x = 791,045.48 × 318,571.60
  4. Step 4: Simplify right side
    573,225.52x = 252,004,624,236.37
  5. Step 5: Solve for x
    x = 252,004,624,236.37/573,225.52
  6. Step 6: Final answer
    x = 439,625.62

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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.