Finding the Fourth Proportional to 750,105.93, 1,035,138.09 and 405,934.23
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Solution
The fourth proportional to 750,105.93, 1,035,138.09 and 405,934.23 is: 560,184.86
Step by Step Solution
- Step 1: Write the proportion equation
750,105.93 : 1,035,138.09 = 405,934.23 : x - Step 2: Convert to fraction form
750,105.93/1,035,138.09 = 405,934.23/x - Step 3: Cross multiply
750,105.93x = 1,035,138.09 × 405,934.23 - Step 4: Simplify right side
750,105.93x = 420,197,983,507.82 - Step 5: Solve for x
x = 420,197,983,507.82/750,105.93 - Step 6: Final answer
x = 560,184.86
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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.