Finding the Fourth Proportional to 855,883.26, 1,181,118.87 and 473,909.94
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Solution
The fourth proportional to 855,883.26, 1,181,118.87 and 473,909.94 is: 653,995.70
Step by Step Solution
- Step 1: Write the proportion equation
855,883.26 : 1,181,118.87 = 473,909.94 : x - Step 2: Convert to fraction form
855,883.26/1,181,118.87 = 473,909.94/x - Step 3: Cross multiply
855,883.26x = 1,181,118.87 × 473,909.94 - Step 4: Simplify right side
855,883.26x = 559,743,972,814.57 - Step 5: Solve for x
x = 559,743,972,814.57/855,883.26 - Step 6: Final answer
x = 653,995.70
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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.