Finding the Fourth Proportional to 855,813.42, 1,181,059.42 and 473,840.19
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Solution
The fourth proportional to 855,813.42, 1,181,059.42 and 473,840.19 is: 653,919.89
Step by Step Solution
- Step 1: Write the proportion equation
855,813.42 : 1,181,059.42 = 473,840.19 : x - Step 2: Convert to fraction form
855,813.42/1,181,059.42 = 473,840.19/x - Step 3: Cross multiply
855,813.42x = 1,181,059.42 × 473,840.19 - Step 4: Simplify right side
855,813.42x = 559,633,419,974.09 - Step 5: Solve for x
x = 559,633,419,974.09/855,813.42 - Step 6: Final answer
x = 653,919.89
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1.5x scale
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.