Finding the Fourth Proportional to 839,453.24, 1,158,411.68 and 457,471.82
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Solution
The fourth proportional to 839,453.24, 1,158,411.68 and 457,471.82 is: 631,292.70
Step by Step Solution
- Step 1: Write the proportion equation
839,453.24 : 1,158,411.68 = 457,471.82 : x - Step 2: Convert to fraction form
839,453.24/1,158,411.68 = 457,471.82/x - Step 3: Cross multiply
839,453.24x = 1,158,411.68 × 457,471.82 - Step 4: Simplify right side
839,453.24x = 529,940,701,883.05 - Step 5: Solve for x
x = 529,940,701,883.05/839,453.24 - Step 6: Final answer
x = 631,292.70
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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.