Finding the Fourth Proportional to 849,602.16, 1,172,441.82 and 467,620.68
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Solution
The fourth proportional to 849,602.16, 1,172,441.82 and 467,620.68 is: 645,311.50
Step by Step Solution
- Step 1: Write the proportion equation
849,602.16 : 1,172,441.82 = 467,620.68 : x - Step 2: Convert to fraction form
849,602.16/1,172,441.82 = 467,620.68/x - Step 3: Cross multiply
849,602.16x = 1,172,441.82 × 467,620.68 - Step 4: Simplify right side
849,602.16x = 548,258,041,128.84 - Step 5: Solve for x
x = 548,258,041,128.84/849,602.16 - Step 6: Final answer
x = 645,311.50
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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.