Finding the Fourth Proportional to 668,363.68, 922,356.24 and 366,556.96
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Solution
The fourth proportional to 668,363.68, 922,356.24 and 366,556.96 is: 505,856.48
Step by Step Solution
- Step 1: Write the proportion equation
668,363.68 : 922,356.24 = 366,556.96 : x - Step 2: Convert to fraction form
668,363.68/922,356.24 = 366,556.96/x - Step 3: Cross multiply
668,363.68x = 922,356.24 × 366,556.96 - Step 4: Simplify right side
668,363.68x = 338,096,099,371.43 - Step 5: Solve for x
x = 338,096,099,371.43/668,363.68 - Step 6: Final answer
x = 505,856.48
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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.