Finding the Fourth Proportional to 943,623.26, 1,302,236.96 and 535,763.06
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Solution
The fourth proportional to 943,623.26, 1,302,236.96 and 535,763.06 is: 739,373.96
Step by Step Solution
- Step 1: Write the proportion equation
943,623.26 : 1,302,236.96 = 535,763.06 : x - Step 2: Convert to fraction form
943,623.26/1,302,236.96 = 535,763.06/x - Step 3: Cross multiply
943,623.26x = 1,302,236.96 × 535,763.06 - Step 4: Simplify right side
943,623.26x = 697,690,463,129.70 - Step 5: Solve for x
x = 697,690,463,129.70/943,623.26 - Step 6: Final answer
x = 739,373.96
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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.