Finding the Fourth Proportional to 573,618.12, 791,593.68 and 318,963.84
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Solution
The fourth proportional to 573,618.12, 791,593.68 and 318,963.84 is: 440,170.47
Step by Step Solution
- Step 1: Write the proportion equation
573,618.12 : 791,593.68 = 318,963.84 : x - Step 2: Convert to fraction form
573,618.12/791,593.68 = 318,963.84/x - Step 3: Cross multiply
573,618.12x = 791,593.68 × 318,963.84 - Step 4: Simplify right side
573,618.12x = 252,489,759,892.53 - Step 5: Solve for x
x = 252,489,759,892.53/573,618.12 - Step 6: Final answer
x = 440,170.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.