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Finding the Fourth Proportional to 558,528.88, 770,773.08 and 303,881.80

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Solution

The fourth proportional to 558,528.88, 770,773.08 and 303,881.80 is: 419,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,528.88 : 770,773.08 = 303,881.80 : x
  2. Step 2: Convert to fraction form
    558,528.88/770,773.08 = 303,881.80/x
  3. Step 3: Cross multiply
    558,528.88x = 770,773.08 × 303,881.80
  4. Step 4: Simplify right side
    558,528.88x = 234,223,910,941.94
  5. Step 5: Solve for x
    x = 234,223,910,941.94/558,528.88
  6. Step 6: Final answer
    x = 419,358.64

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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.