Finding the Fourth Proportional to 668,734.24, 922,850.40 and 366,921.76
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Solution
The fourth proportional to 668,734.24, 922,850.40 and 366,921.76 is: 506,350.46
Step by Step Solution
- Step 1: Write the proportion equation
668,734.24 : 922,850.40 = 366,921.76 : x - Step 2: Convert to fraction form
668,734.24/922,850.40 = 366,921.76/x - Step 3: Cross multiply
668,734.24x = 922,850.40 × 366,921.76 - Step 4: Simplify right side
668,734.24x = 338,613,892,984.70 - Step 5: Solve for x
x = 338,613,892,984.70/668,734.24 - Step 6: Final answer
x = 506,350.46
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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.