Finding the Fourth Proportional to 822,628.05, 1,233,942.08 and 717,652.05
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Solution
The fourth proportional to 822,628.05, 1,233,942.08 and 717,652.05 is: 1,076,478.08
Step by Step Solution
- Step 1: Write the proportion equation
822,628.05 : 1,233,942.08 = 717,652.05 : x - Step 2: Convert to fraction form
822,628.05/1,233,942.08 = 717,652.05/x - Step 3: Cross multiply
822,628.05x = 1,233,942.08 × 717,652.05 - Step 4: Simplify right side
822,628.05x = 885,541,059,705.00 - Step 5: Solve for x
x = 885,541,059,705.00/822,628.05 - Step 6: Final answer
x = 1,076,478.08
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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.