Finding the Fourth Proportional to 919,490.29, 1,268,876.73 and 532,322.12
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Solution
The fourth proportional to 919,490.29, 1,268,876.73 and 532,322.12 is: 734,593.02
Step by Step Solution
- Step 1: Write the proportion equation
919,490.29 : 1,268,876.73 = 532,322.12 : x - Step 2: Convert to fraction form
919,490.29/1,268,876.73 = 532,322.12/x - Step 3: Cross multiply
919,490.29x = 1,268,876.73 × 532,322.12 - Step 4: Simplify right side
919,490.29x = 675,451,150,932.27 - Step 5: Solve for x
x = 675,451,150,932.27/919,490.29 - Step 6: Final answer
x = 734,593.02
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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.