Finding the Fourth Proportional to 573,696.81, 791,702.40 and 319,047.99
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Solution
The fourth proportional to 573,696.81, 791,702.40 and 319,047.99 is: 440,286.67
Step by Step Solution
- Step 1: Write the proportion equation
573,696.81 : 791,702.40 = 319,047.99 : x - Step 2: Convert to fraction form
573,696.81/791,702.40 = 319,047.99/x - Step 3: Cross multiply
573,696.81x = 791,702.40 × 319,047.99 - Step 4: Simplify right side
573,696.81x = 252,591,059,398.18 - Step 5: Solve for x
x = 252,591,059,398.18/573,696.81 - Step 6: Final answer
x = 440,286.67
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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.