Finding the Fourth Proportional to 858,674.03, 1,288,015.49 and 503,438.94
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Solution
The fourth proportional to 858,674.03, 1,288,015.49 and 503,438.94 is: 755,161.02
Step by Step Solution
- Step 1: Write the proportion equation
858,674.03 : 1,288,015.49 = 503,438.94 : x - Step 2: Convert to fraction form
858,674.03/1,288,015.49 = 503,438.94/x - Step 3: Cross multiply
858,674.03x = 1,288,015.49 × 503,438.94 - Step 4: Simplify right side
858,674.03x = 648,437,152,989.18 - Step 5: Solve for x
x = 648,437,152,989.18/858,674.03 - Step 6: Final answer
x = 755,161.02
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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.