Finding the Fourth Proportional to 863,887.07, 1,294,821.49 and 649,967.59
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Solution
The fourth proportional to 863,887.07, 1,294,821.49 and 649,967.59 is: 974,192.15
Step by Step Solution
- Step 1: Write the proportion equation
863,887.07 : 1,294,821.49 = 649,967.59 : x - Step 2: Convert to fraction form
863,887.07/1,294,821.49 = 649,967.59/x - Step 3: Cross multiply
863,887.07x = 1,294,821.49 × 649,967.59 - Step 4: Simplify right side
863,887.07x = 841,591,996,861.40 - Step 5: Solve for x
x = 841,591,996,861.40/863,887.07 - Step 6: Final answer
x = 974,192.15
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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.