Finding the Fourth Proportional to 573,696.81, 791,690.36 and 319,042.53
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Solution
The fourth proportional to 573,696.81, 791,690.36 and 319,042.53 is: 440,272.44
Step by Step Solution
- Step 1: Write the proportion equation
573,696.81 : 791,690.36 = 319,042.53 : x - Step 2: Convert to fraction form
573,696.81/791,690.36 = 319,042.53/x - Step 3: Cross multiply
573,696.81x = 791,690.36 × 319,042.53 - Step 4: Simplify right side
573,696.81x = 252,582,893,835.80 - Step 5: Solve for x
x = 252,582,893,835.80/573,696.81 - Step 6: Final answer
x = 440,272.44
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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.