Finding the Fourth Proportional to 729,328.72, 1,093,426.49 and 472,618.99
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Solution
The fourth proportional to 729,328.72, 1,093,426.49 and 472,618.99 is: 708,561.32
Step by Step Solution
- Step 1: Write the proportion equation
729,328.72 : 1,093,426.49 = 472,618.99 : x - Step 2: Convert to fraction form
729,328.72/1,093,426.49 = 472,618.99/x - Step 3: Cross multiply
729,328.72x = 1,093,426.49 × 472,618.99 - Step 4: Simplify right side
729,328.72x = 516,774,123,343.05 - Step 5: Solve for x
x = 516,774,123,343.05/729,328.72 - Step 6: Final answer
x = 708,561.32
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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.