Finding the Fourth Proportional to 855,642.62, 1,181,343.88 and 549,836.84
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Solution
The fourth proportional to 855,642.62, 1,181,343.88 and 549,836.84 is: 759,132.81
Step by Step Solution
- Step 1: Write the proportion equation
855,642.62 : 1,181,343.88 = 549,836.84 : x - Step 2: Convert to fraction form
855,642.62/1,181,343.88 = 549,836.84/x - Step 3: Cross multiply
855,642.62x = 1,181,343.88 × 549,836.84 - Step 4: Simplify right side
855,642.62x = 649,546,385,932.54 - Step 5: Solve for x
x = 649,546,385,932.54/855,642.62 - Step 6: Final answer
x = 759,132.81
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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.