Finding the Fourth Proportional to 821,518.71, 1,232,418.21 and 366,275.13
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Solution
The fourth proportional to 821,518.71, 1,232,418.21 and 366,275.13 is: 549,475.18
Step by Step Solution
- Step 1: Write the proportion equation
821,518.71 : 1,232,418.21 = 366,275.13 : x - Step 2: Convert to fraction form
821,518.71/1,232,418.21 = 366,275.13/x - Step 3: Cross multiply
821,518.71x = 1,232,418.21 × 366,275.13 - Step 4: Simplify right side
821,518.71x = 451,404,140,082.12 - Step 5: Solve for x
x = 451,404,140,082.12/821,518.71 - Step 6: Final answer
x = 549,475.18
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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.