Finding the Fourth Proportional to 839,455.24, 1,158,414.44 and 457,473.82
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Solution
The fourth proportional to 839,455.24, 1,158,414.44 and 457,473.82 is: 631,295.46
Step by Step Solution
- Step 1: Write the proportion equation
839,455.24 : 1,158,414.44 = 457,473.82 : x - Step 2: Convert to fraction form
839,455.24/1,158,414.44 = 457,473.82/x - Step 3: Cross multiply
839,455.24x = 1,158,414.44 × 457,473.82 - Step 4: Simplify right side
839,455.24x = 529,944,279,009.96 - Step 5: Solve for x
x = 529,944,279,009.96/839,455.24 - Step 6: Final answer
x = 631,295.46
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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.