Finding the Fourth Proportional to 913,190.24, 1,259,916.84 and 550,724.96
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Solution
The fourth proportional to 913,190.24, 1,259,916.84 and 550,724.96 is: 759,828.15
Step by Step Solution
- Step 1: Write the proportion equation
913,190.24 : 1,259,916.84 = 550,724.96 : x - Step 2: Convert to fraction form
913,190.24/1,259,916.84 = 550,724.96/x - Step 3: Cross multiply
913,190.24x = 1,259,916.84 × 550,724.96 - Step 4: Simplify right side
913,190.24x = 693,867,651,312.33 - Step 5: Solve for x
x = 693,867,651,312.33/913,190.24 - Step 6: Final answer
x = 759,828.15
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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.