Finding the Fourth Proportional to 680,861.57, 1,021,292.62 and 679,877.69
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Solution
The fourth proportional to 680,861.57, 1,021,292.62 and 679,877.69 is: 1,019,816.80
Step by Step Solution
- Step 1: Write the proportion equation
680,861.57 : 1,021,292.62 = 679,877.69 : x - Step 2: Convert to fraction form
680,861.57/1,021,292.62 = 679,877.69/x - Step 3: Cross multiply
680,861.57x = 1,021,292.62 × 679,877.69 - Step 4: Simplify right side
680,861.57x = 694,354,060,493.49 - Step 5: Solve for x
x = 694,354,060,493.49/680,861.57 - Step 6: Final answer
x = 1,019,816.80
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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.