Finding the Fourth Proportional to 919,438.08, 1,268,105.56 and 597,251.92
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Solution
The fourth proportional to 919,438.08, 1,268,105.56 and 597,251.92 is: 823,740.61
Step by Step Solution
- Step 1: Write the proportion equation
919,438.08 : 1,268,105.56 = 597,251.92 : x - Step 2: Convert to fraction form
919,438.08/1,268,105.56 = 597,251.92/x - Step 3: Cross multiply
919,438.08x = 1,268,105.56 × 597,251.92 - Step 4: Simplify right side
919,438.08x = 757,378,480,472.68 - Step 5: Solve for x
x = 757,378,480,472.68/919,438.08 - Step 6: Final answer
x = 823,740.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.