Finding the Fourth Proportional to 573,486.12, 791,366.02 and 318,821.80
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Solution
The fourth proportional to 573,486.12, 791,366.02 and 318,821.80 is: 439,949.16
Step by Step Solution
- Step 1: Write the proportion equation
573,486.12 : 791,366.02 = 318,821.80 : x - Step 2: Convert to fraction form
573,486.12/791,366.02 = 318,821.80/x - Step 3: Cross multiply
573,486.12x = 791,366.02 × 318,821.80 - Step 4: Simplify right side
573,486.12x = 252,304,738,955.24 - Step 5: Solve for x
x = 252,304,738,955.24/573,486.12 - Step 6: Final answer
x = 439,949.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.