Finding the Fourth Proportional to 919,672.97, 1,377,515.61 and 445,363.70
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Solution
The fourth proportional to 919,672.97, 1,377,515.61 and 445,363.70 is: 667,080.00
Step by Step Solution
- Step 1: Write the proportion equation
919,672.97 : 1,377,515.61 = 445,363.70 : x - Step 2: Convert to fraction form
919,672.97/1,377,515.61 = 445,363.70/x - Step 3: Cross multiply
919,672.97x = 1,377,515.61 × 445,363.70 - Step 4: Simplify right side
919,672.97x = 613,495,441,989.78 - Step 5: Solve for x
x = 613,495,441,989.78/919,672.97 - Step 6: Final answer
x = 667,080.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.