Finding the Fourth Proportional to 668,724.24, 922,836.60 and 366,911.76
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Solution
The fourth proportional to 668,724.24, 922,836.60 and 366,911.76 is: 506,336.66
Step by Step Solution
- Step 1: Write the proportion equation
668,724.24 : 922,836.60 = 366,911.76 : x - Step 2: Convert to fraction form
668,724.24/922,836.60 = 366,911.76/x - Step 3: Cross multiply
668,724.24x = 922,836.60 × 366,911.76 - Step 4: Simplify right side
668,724.24x = 338,599,601,098.42 - Step 5: Solve for x
x = 338,599,601,098.42/668,724.24 - Step 6: Final answer
x = 506,336.66
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1.5x scale
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.