Finding the Fourth Proportional to 919,843.12, 1,268,663.28 and 597,657.88
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Solution
The fourth proportional to 919,843.12, 1,268,663.28 and 597,657.88 is: 824,299.92
Step by Step Solution
- Step 1: Write the proportion equation
919,843.12 : 1,268,663.28 = 597,657.88 : x - Step 2: Convert to fraction form
919,843.12/1,268,663.28 = 597,657.88/x - Step 3: Cross multiply
919,843.12x = 1,268,663.28 × 597,657.88 - Step 4: Simplify right side
919,843.12x = 758,226,606,358.65 - Step 5: Solve for x
x = 758,226,606,358.65/919,843.12 - Step 6: Final answer
x = 824,299.92
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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.