Finding the Fourth Proportional to 855,947.26, 1,181,192.68 and 473,965.84
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Solution
The fourth proportional to 855,947.26, 1,181,192.68 and 473,965.84 is: 654,064.81
Step by Step Solution
- Step 1: Write the proportion equation
855,947.26 : 1,181,192.68 = 473,965.84 : x - Step 2: Convert to fraction form
855,947.26/1,181,192.68 = 473,965.84/x - Step 3: Cross multiply
855,947.26x = 1,181,192.68 × 473,965.84 - Step 4: Simplify right side
855,947.26x = 559,844,980,778.05 - Step 5: Solve for x
x = 559,844,980,778.05/855,947.26 - Step 6: Final answer
x = 654,064.81
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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.