Finding the Fourth Proportional to 903,906.47, 1,247,387.49 and 496,015.13
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Solution
The fourth proportional to 903,906.47, 1,247,387.49 and 496,015.13 is: 684,498.99
Step by Step Solution
- Step 1: Write the proportion equation
903,906.47 : 1,247,387.49 = 496,015.13 : x - Step 2: Convert to fraction form
903,906.47/1,247,387.49 = 496,015.13/x - Step 3: Cross multiply
903,906.47x = 1,247,387.49 × 496,015.13 - Step 4: Simplify right side
903,906.47x = 618,723,068,012.72 - Step 5: Solve for x
x = 618,723,068,012.72/903,906.47 - Step 6: Final answer
x = 684,498.99
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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.