Finding the Fourth Proportional to 821,604.51, 1,133,773.74 and 458,956.17
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Solution
The fourth proportional to 821,604.51, 1,133,773.74 and 458,956.17 is: 633,336.90
Step by Step Solution
- Step 1: Write the proportion equation
821,604.51 : 1,133,773.74 = 458,956.17 : x - Step 2: Convert to fraction form
821,604.51/1,133,773.74 = 458,956.17/x - Step 3: Cross multiply
821,604.51x = 1,133,773.74 × 458,956.17 - Step 4: Simplify right side
821,604.51x = 520,352,453,356.98 - Step 5: Solve for x
x = 520,352,453,356.98/821,604.51 - Step 6: Final answer
x = 633,336.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.