Finding the Fourth Proportional to 1,013,629.50, 1,519,230.84 and 473,158.62
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Solution
The fourth proportional to 1,013,629.50, 1,519,230.84 and 473,158.62 is: 709,171.51
Step by Step Solution
- Step 1: Write the proportion equation
1,013,629.50 : 1,519,230.84 = 473,158.62 : x - Step 2: Convert to fraction form
1,013,629.50/1,519,230.84 = 473,158.62/x - Step 3: Cross multiply
1,013,629.50x = 1,519,230.84 × 473,158.62 - Step 4: Simplify right side
1,013,629.50x = 718,837,167,715.84 - Step 5: Solve for x
x = 718,837,167,715.84/1,013,629.50 - Step 6: Final answer
x = 709,171.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.