Finding the Fourth Proportional to 715,093.60, 986,020.44 and 456,630.68
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Solution
The fourth proportional to 715,093.60, 986,020.44 and 456,630.68 is: 629,633.92
Step by Step Solution
- Step 1: Write the proportion equation
715,093.60 : 986,020.44 = 456,630.68 : x - Step 2: Convert to fraction form
715,093.60/986,020.44 = 456,630.68/x - Step 3: Cross multiply
715,093.60x = 986,020.44 × 456,630.68 - Step 4: Simplify right side
715,093.60x = 450,247,184,011.10 - Step 5: Solve for x
x = 450,247,184,011.10/715,093.60 - Step 6: Final answer
x = 629,633.92
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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.