Finding the Fourth Proportional to 864,434.99, 1,293,441.15 and 543,082.32
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Solution
The fourth proportional to 864,434.99, 1,293,441.15 and 543,082.32 is: 812,605.96
Step by Step Solution
- Step 1: Write the proportion equation
864,434.99 : 1,293,441.15 = 543,082.32 : x - Step 2: Convert to fraction form
864,434.99/1,293,441.15 = 543,082.32/x - Step 3: Cross multiply
864,434.99x = 1,293,441.15 × 543,082.32 - Step 4: Simplify right side
864,434.99x = 702,445,020,525.47 - Step 5: Solve for x
x = 702,445,020,525.47/864,434.99 - Step 6: Final answer
x = 812,605.96
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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.