Finding the Fourth Proportional to 821,586.08, 1,133,767.91 and 459,012.67
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Solution
The fourth proportional to 821,586.08, 1,133,767.91 and 459,012.67 is: 633,425.81
Step by Step Solution
- Step 1: Write the proportion equation
821,586.08 : 1,133,767.91 = 459,012.67 : x - Step 2: Convert to fraction form
821,586.08/1,133,767.91 = 459,012.67/x - Step 3: Cross multiply
821,586.08x = 1,133,767.91 × 459,012.67 - Step 4: Simplify right side
821,586.08x = 520,413,831,754.37 - Step 5: Solve for x
x = 520,413,831,754.37/821,586.08 - Step 6: Final answer
x = 633,425.81
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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.