Finding the Fourth Proportional to 808,553.88, 1,211,632.66 and 328,197.18
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Solution
The fourth proportional to 808,553.88, 1,211,632.66 and 328,197.18 is: 491,809.43
Step by Step Solution
- Step 1: Write the proportion equation
808,553.88 : 1,211,632.66 = 328,197.18 : x - Step 2: Convert to fraction form
808,553.88/1,211,632.66 = 328,197.18/x - Step 3: Cross multiply
808,553.88x = 1,211,632.66 × 328,197.18 - Step 4: Simplify right side
808,553.88x = 397,654,422,207.90 - Step 5: Solve for x
x = 397,654,422,207.90/808,553.88 - Step 6: Final answer
x = 491,809.43
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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.