Finding the Fourth Proportional to 808,288.88, 1,212,639.26 and 239,690.75
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Solution
The fourth proportional to 808,288.88, 1,212,639.26 and 239,690.75 is: 359,597.19
Step by Step Solution
- Step 1: Write the proportion equation
808,288.88 : 1,212,639.26 = 239,690.75 : x - Step 2: Convert to fraction form
808,288.88/1,212,639.26 = 239,690.75/x - Step 3: Cross multiply
808,288.88x = 1,212,639.26 × 239,690.75 - Step 4: Simplify right side
808,288.88x = 290,658,406,447.20 - Step 5: Solve for x
x = 290,658,406,447.20/808,288.88 - Step 6: Final answer
x = 359,597.19
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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.