Finding the Fourth Proportional to 918,234.70, 1,377,352.05 and 669,402.70
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Solution
The fourth proportional to 918,234.70, 1,377,352.05 and 669,402.70 is: 1,004,104.05
Step by Step Solution
- Step 1: Write the proportion equation
918,234.70 : 1,377,352.05 = 669,402.70 : x - Step 2: Convert to fraction form
918,234.70/1,377,352.05 = 669,402.70/x - Step 3: Cross multiply
918,234.70x = 1,377,352.05 × 669,402.70 - Step 4: Simplify right side
918,234.70x = 922,003,181,120.54 - Step 5: Solve for x
x = 922,003,181,120.54/918,234.70 - Step 6: Final answer
x = 1,004,104.05
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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.