Finding the Fourth Proportional to 668,397.60, 922,446.99 and 366,649.92
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Solution
The fourth proportional to 668,397.60, 922,446.99 and 366,649.92 is: 506,008.87
Step by Step Solution
- Step 1: Write the proportion equation
668,397.60 : 922,446.99 = 366,649.92 : x - Step 2: Convert to fraction form
668,397.60/922,446.99 = 366,649.92/x - Step 3: Cross multiply
668,397.60x = 922,446.99 × 366,649.92 - Step 4: Simplify right side
668,397.60x = 338,215,115,087.74 - Step 5: Solve for x
x = 338,215,115,087.74/668,397.60 - Step 6: Final answer
x = 506,008.87
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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.