Finding the Fourth Proportional to 727,206.40, 1,090,420.80 and 306,006.40
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Solution
The fourth proportional to 727,206.40, 1,090,420.80 and 306,006.40 is: 458,845.99
Step by Step Solution
- Step 1: Write the proportion equation
727,206.40 : 1,090,420.80 = 306,006.40 : x - Step 2: Convert to fraction form
727,206.40/1,090,420.80 = 306,006.40/x - Step 3: Cross multiply
727,206.40x = 1,090,420.80 × 306,006.40 - Step 4: Simplify right side
727,206.40x = 333,675,743,493.12 - Step 5: Solve for x
x = 333,675,743,493.12/727,206.40 - Step 6: Final answer
x = 458,845.99
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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.