Finding the Fourth Proportional to 855,936.91, 1,181,178.57 and 473,955.49
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Solution
The fourth proportional to 855,936.91, 1,181,178.57 and 473,955.49 is: 654,050.62
Step by Step Solution
- Step 1: Write the proportion equation
855,936.91 : 1,181,178.57 = 473,955.49 : x - Step 2: Convert to fraction form
855,936.91/1,181,178.57 = 473,955.49/x - Step 3: Cross multiply
855,936.91x = 1,181,178.57 × 473,955.49 - Step 4: Simplify right side
855,936.91x = 559,826,067,921.85 - Step 5: Solve for x
x = 559,826,067,921.85/855,936.91 - Step 6: Final answer
x = 654,050.62
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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.