Finding the Fourth Proportional to 854,167.36, 1,178,648.40 and 472,141.84
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Solution
The fourth proportional to 854,167.36, 1,178,648.40 and 472,141.84 is: 651,499.05
Step by Step Solution
- Step 1: Write the proportion equation
854,167.36 : 1,178,648.40 = 472,141.84 : x - Step 2: Convert to fraction form
854,167.36/1,178,648.40 = 472,141.84/x - Step 3: Cross multiply
854,167.36x = 1,178,648.40 × 472,141.84 - Step 4: Simplify right side
854,167.36x = 556,489,224,289.06 - Step 5: Solve for x
x = 556,489,224,289.06/854,167.36 - Step 6: Final answer
x = 651,499.05
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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.