Finding the Fourth Proportional to 854,340.16, 1,178,991.45 and 467,180.68
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Solution
The fourth proportional to 854,340.16, 1,178,991.45 and 467,180.68 is: 644,710.45
Step by Step Solution
- Step 1: Write the proportion equation
854,340.16 : 1,178,991.45 = 467,180.68 : x - Step 2: Convert to fraction form
854,340.16/1,178,991.45 = 467,180.68/x - Step 3: Cross multiply
854,340.16x = 1,178,991.45 × 467,180.68 - Step 4: Simplify right side
854,340.16x = 550,802,027,325.19 - Step 5: Solve for x
x = 550,802,027,325.19/854,340.16 - Step 6: Final answer
x = 644,710.45
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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.