Finding the Fourth Proportional to 504,981.60, 696,580.74 and 323,629.08
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Solution
The fourth proportional to 504,981.60, 696,580.74 and 323,629.08 is: 446,419.80
Step by Step Solution
- Step 1: Write the proportion equation
504,981.60 : 696,580.74 = 323,629.08 : x - Step 2: Convert to fraction form
504,981.60/696,580.74 = 323,629.08/x - Step 3: Cross multiply
504,981.60x = 696,580.74 × 323,629.08 - Step 4: Simplify right side
504,981.60x = 225,433,784,031.92 - Step 5: Solve for x
x = 225,433,784,031.92/504,981.60 - Step 6: Final answer
x = 446,419.80
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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.