Finding the Fourth Proportional to 854,326.46, 1,178,933.18 and 467,134.58
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Solution
The fourth proportional to 854,326.46, 1,178,933.18 and 467,134.58 is: 644,625.31
Step by Step Solution
- Step 1: Write the proportion equation
854,326.46 : 1,178,933.18 = 467,134.58 : x - Step 2: Convert to fraction form
854,326.46/1,178,933.18 = 467,134.58/x - Step 3: Cross multiply
854,326.46x = 1,178,933.18 × 467,134.58 - Step 4: Simplify right side
854,326.46x = 550,720,455,887.36 - Step 5: Solve for x
x = 550,720,455,887.36/854,326.46 - Step 6: Final answer
x = 644,625.31
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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.