Finding the Fourth Proportional to 865,602.36, 1,194,492.87 and 483,620.94
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Solution
The fourth proportional to 865,602.36, 1,194,492.87 and 483,620.94 is: 667,375.45
Step by Step Solution
- Step 1: Write the proportion equation
865,602.36 : 1,194,492.87 = 483,620.94 : x - Step 2: Convert to fraction form
865,602.36/1,194,492.87 = 483,620.94/x - Step 3: Cross multiply
865,602.36x = 1,194,492.87 × 483,620.94 - Step 4: Simplify right side
865,602.36x = 577,681,764,612.70 - Step 5: Solve for x
x = 577,681,764,612.70/865,602.36 - Step 6: Final answer
x = 667,375.45
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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.