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Finding the Fourth Proportional to 537,969.60, 807,213.60 and 379,857.60

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Solution

The fourth proportional to 537,969.60, 807,213.60 and 379,857.60 is: 569,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,969.60 : 807,213.60 = 379,857.60 : x
  2. Step 2: Convert to fraction form
    537,969.60/807,213.60 = 379,857.60/x
  3. Step 3: Cross multiply
    537,969.60x = 807,213.60 × 379,857.60
  4. Step 4: Simplify right side
    537,969.60x = 306,626,220,783.36
  5. Step 5: Solve for x
    x = 306,626,220,783.36/537,969.60
  6. Step 6: Final answer
    x = 569,969.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.