Finding the Fourth Proportional to 920,154.71, 1,380,513.74 and 471,193.44
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Solution
The fourth proportional to 920,154.71, 1,380,513.74 and 471,193.44 is: 706,934.40
Step by Step Solution
- Step 1: Write the proportion equation
920,154.71 : 1,380,513.74 = 471,193.44 : x - Step 2: Convert to fraction form
920,154.71/1,380,513.74 = 471,193.44/x - Step 3: Cross multiply
920,154.71x = 1,380,513.74 × 471,193.44 - Step 4: Simplify right side
920,154.71x = 650,489,015,761.90 - Step 5: Solve for x
x = 650,489,015,761.90/920,154.71 - Step 6: Final answer
x = 706,934.40
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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.