Finding the Fourth Proportional to 696,483.88, 1,044,725.82 and 197,783.08
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Solution
The fourth proportional to 696,483.88, 1,044,725.82 and 197,783.08 is: 296,674.62
Step by Step Solution
- Step 1: Write the proportion equation
696,483.88 : 1,044,725.82 = 197,783.08 : x - Step 2: Convert to fraction form
696,483.88/1,044,725.82 = 197,783.08/x - Step 3: Cross multiply
696,483.88x = 1,044,725.82 × 197,783.08 - Step 4: Simplify right side
696,483.88x = 206,629,090,435.13 - Step 5: Solve for x
x = 206,629,090,435.13/696,483.88 - Step 6: Final answer
x = 296,674.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.