Finding the Fourth Proportional to 855,789.37, 1,181,068.56 and 473,816.18
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Solution
The fourth proportional to 855,789.37, 1,181,068.56 and 473,816.18 is: 653,910.20
Step by Step Solution
- Step 1: Write the proportion equation
855,789.37 : 1,181,068.56 = 473,816.18 : x - Step 2: Convert to fraction form
855,789.37/1,181,068.56 = 473,816.18/x - Step 3: Cross multiply
855,789.37x = 1,181,068.56 × 473,816.18 - Step 4: Simplify right side
855,789.37x = 559,609,396,369.97 - Step 5: Solve for x
x = 559,609,396,369.97/855,789.37 - Step 6: Final answer
x = 653,910.20
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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.