Finding the Fourth Proportional to 674,428.13, 1,011,618.84 and 168,993.53
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Solution
The fourth proportional to 674,428.13, 1,011,618.84 and 168,993.53 is: 253,484.44
Step by Step Solution
- Step 1: Write the proportion equation
674,428.13 : 1,011,618.84 = 168,993.53 : x - Step 2: Convert to fraction form
674,428.13/1,011,618.84 = 168,993.53/x - Step 3: Cross multiply
674,428.13x = 1,011,618.84 × 168,993.53 - Step 4: Simplify right side
674,428.13x = 170,957,038,786.11 - Step 5: Solve for x
x = 170,957,038,786.11/674,428.13 - Step 6: Final answer
x = 253,484.44
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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.