Finding the Fourth Proportional to 999,677.67, 1,379,551.01 and 540,791.09
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Solution
The fourth proportional to 999,677.67, 1,379,551.01 and 540,791.09 is: 746,289.45
Step by Step Solution
- Step 1: Write the proportion equation
999,677.67 : 1,379,551.01 = 540,791.09 : x - Step 2: Convert to fraction form
999,677.67/1,379,551.01 = 540,791.09/x - Step 3: Cross multiply
999,677.67x = 1,379,551.01 × 540,791.09 - Step 4: Simplify right side
999,677.67x = 746,048,894,408.50 - Step 5: Solve for x
x = 746,048,894,408.50/999,677.67 - Step 6: Final answer
x = 746,289.45
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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.