Finding the Fourth Proportional to 729,323.17, 1,006,394.04 and 402,614.97
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Solution
The fourth proportional to 729,323.17, 1,006,394.04 and 402,614.97 is: 555,568.95
Step by Step Solution
- Step 1: Write the proportion equation
729,323.17 : 1,006,394.04 = 402,614.97 : x - Step 2: Convert to fraction form
729,323.17/1,006,394.04 = 402,614.97/x - Step 3: Cross multiply
729,323.17x = 1,006,394.04 × 402,614.97 - Step 4: Simplify right side
729,323.17x = 405,189,306,906.76 - Step 5: Solve for x
x = 405,189,306,906.76/729,323.17 - Step 6: Final answer
x = 555,568.95
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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.