Finding the Fourth Proportional to 931,957.48, 1,397,939.65 and 283,539.99
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Solution
The fourth proportional to 931,957.48, 1,397,939.65 and 283,539.99 is: 425,311.03
Step by Step Solution
- Step 1: Write the proportion equation
931,957.48 : 1,397,939.65 = 283,539.99 : x - Step 2: Convert to fraction form
931,957.48/1,397,939.65 = 283,539.99/x - Step 3: Cross multiply
931,957.48x = 1,397,939.65 × 283,539.99 - Step 4: Simplify right side
931,957.48x = 396,371,798,915.03 - Step 5: Solve for x
x = 396,371,798,915.03/931,957.48 - Step 6: Final answer
x = 425,311.03
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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.