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Finding the Fourth Proportional to 569,356.94, 785,790.70 and 327,634.58

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Solution

The fourth proportional to 569,356.94, 785,790.70 and 327,634.58 is: 452,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,356.94 : 785,790.70 = 327,634.58 : x
  2. Step 2: Convert to fraction form
    569,356.94/785,790.70 = 327,634.58/x
  3. Step 3: Cross multiply
    569,356.94x = 785,790.70 × 327,634.58
  4. Step 4: Simplify right side
    569,356.94x = 257,452,201,214.37
  5. Step 5: Solve for x
    x = 257,452,201,214.37/569,356.94
  6. Step 6: Final answer
    x = 452,180.67

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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.