Finding the Fourth Proportional to 808,958.68, 1,213,456.76 and 209,943.44
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Solution
The fourth proportional to 808,958.68, 1,213,456.76 and 209,943.44 is: 314,920.02
Step by Step Solution
- Step 1: Write the proportion equation
808,958.68 : 1,213,456.76 = 209,943.44 : x - Step 2: Convert to fraction form
808,958.68/1,213,456.76 = 209,943.44/x - Step 3: Cross multiply
808,958.68x = 1,213,456.76 × 209,943.44 - Step 4: Simplify right side
808,958.68x = 254,757,286,485.65 - Step 5: Solve for x
x = 254,757,286,485.65/808,958.68 - Step 6: Final answer
x = 314,920.02
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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.