Finding the Fourth Proportional to 913,346.97, 1,259,586.29 and 784,244.96
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Solution
The fourth proportional to 913,346.97, 1,259,586.29 and 784,244.96 is: 1,081,543.18
Step by Step Solution
- Step 1: Write the proportion equation
913,346.97 : 1,259,586.29 = 784,244.96 : x - Step 2: Convert to fraction form
913,346.97/1,259,586.29 = 784,244.96/x - Step 3: Cross multiply
913,346.97x = 1,259,586.29 × 784,244.96 - Step 4: Simplify right side
913,346.97x = 987,824,189,398.44 - Step 5: Solve for x
x = 987,824,189,398.44/913,346.97 - Step 6: Final answer
x = 1,081,543.18
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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.