Finding the Fourth Proportional to 790,716.87, 1,090,373.67 and 676,374.03
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Solution
The fourth proportional to 790,716.87, 1,090,373.67 and 676,374.03 is: 932,698.49
Step by Step Solution
- Step 1: Write the proportion equation
790,716.87 : 1,090,373.67 = 676,374.03 : x - Step 2: Convert to fraction form
790,716.87/1,090,373.67 = 676,374.03/x - Step 3: Cross multiply
790,716.87x = 1,090,373.67 × 676,374.03 - Step 4: Simplify right side
790,716.87x = 737,500,433,383.79 - Step 5: Solve for x
x = 737,500,433,383.79/790,716.87 - Step 6: Final answer
x = 932,698.49
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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.