Finding the Fourth Proportional to 916,734.24, 1,265,107.14 and 503,305.11
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Solution
The fourth proportional to 916,734.24, 1,265,107.14 and 503,305.11 is: 694,568.68
Step by Step Solution
- Step 1: Write the proportion equation
916,734.24 : 1,265,107.14 = 503,305.11 : x - Step 2: Convert to fraction form
916,734.24/1,265,107.14 = 503,305.11/x - Step 3: Cross multiply
916,734.24x = 1,265,107.14 × 503,305.11 - Step 4: Simplify right side
916,734.24x = 636,734,888,259.49 - Step 5: Solve for x
x = 636,734,888,259.49/916,734.24 - Step 6: Final answer
x = 694,568.68
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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.