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Finding the Fourth Proportional to 565,237.35, 780,027.35 and 310,604.94

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Solution

The fourth proportional to 565,237.35, 780,027.35 and 310,604.94 is: 428,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,237.35 : 780,027.35 = 310,604.94 : x
  2. Step 2: Convert to fraction form
    565,237.35/780,027.35 = 310,604.94/x
  3. Step 3: Cross multiply
    565,237.35x = 780,027.35 × 310,604.94
  4. Step 4: Simplify right side
    565,237.35x = 242,280,348,245.11
  5. Step 5: Solve for x
    x = 242,280,348,245.11/565,237.35
  6. Step 6: Final answer
    x = 428,634.71

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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.