Finding the Fourth Proportional to 729,527.31, 1,006,570.40 and 427,662.99
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Solution
The fourth proportional to 729,527.31, 1,006,570.40 and 427,662.99 is: 590,070.99
Step by Step Solution
- Step 1: Write the proportion equation
729,527.31 : 1,006,570.40 = 427,662.99 : x - Step 2: Convert to fraction form
729,527.31/1,006,570.40 = 427,662.99/x - Step 3: Cross multiply
729,527.31x = 1,006,570.40 × 427,662.99 - Step 4: Simplify right side
729,527.31x = 430,472,904,771.18 - Step 5: Solve for x
x = 430,472,904,771.18/729,527.31 - Step 6: Final answer
x = 590,070.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.