Finding the Fourth Proportional to 914,177.30, 1,261,568.20 and 506,270.21
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Solution
The fourth proportional to 914,177.30, 1,261,568.20 and 506,270.21 is: 698,654.84
Step by Step Solution
- Step 1: Write the proportion equation
914,177.30 : 1,261,568.20 = 506,270.21 : x - Step 2: Convert to fraction form
914,177.30/1,261,568.20 = 506,270.21/x - Step 3: Cross multiply
914,177.30x = 1,261,568.20 × 506,270.21 - Step 4: Simplify right side
914,177.30x = 638,694,397,543.32 - Step 5: Solve for x
x = 638,694,397,543.32/914,177.30 - Step 6: Final answer
x = 698,654.84
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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.