Finding the Fourth Proportional to 806,580.64, 1,209,981.68 and 273,958.68
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Solution
The fourth proportional to 806,580.64, 1,209,981.68 and 273,958.68 is: 410,975.63
Step by Step Solution
- Step 1: Write the proportion equation
806,580.64 : 1,209,981.68 = 273,958.68 : x - Step 2: Convert to fraction form
806,580.64/1,209,981.68 = 273,958.68/x - Step 3: Cross multiply
806,580.64x = 1,209,981.68 × 273,958.68 - Step 4: Simplify right side
806,580.64x = 331,484,983,876.98 - Step 5: Solve for x
x = 331,484,983,876.98/806,580.64 - Step 6: Final answer
x = 410,975.63
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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.