Finding the Fourth Proportional to 692,415.44, 1,038,944.64 and 265,809.32
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Solution
The fourth proportional to 692,415.44, 1,038,944.64 and 265,809.32 is: 398,837.39
Step by Step Solution
- Step 1: Write the proportion equation
692,415.44 : 1,038,944.64 = 265,809.32 : x - Step 2: Convert to fraction form
692,415.44/1,038,944.64 = 265,809.32/x - Step 3: Cross multiply
692,415.44x = 1,038,944.64 × 265,809.32 - Step 4: Simplify right side
692,415.44x = 276,161,168,276.05 - Step 5: Solve for x
x = 276,161,168,276.05/692,415.44 - Step 6: Final answer
x = 398,837.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.