Finding the Fourth Proportional to 854,197.15, 1,178,816.67 and 472,248.54
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Solution
The fourth proportional to 854,197.15, 1,178,816.67 and 472,248.54 is: 651,716.59
Step by Step Solution
- Step 1: Write the proportion equation
854,197.15 : 1,178,816.67 = 472,248.54 : x - Step 2: Convert to fraction form
854,197.15/1,178,816.67 = 472,248.54/x - Step 3: Cross multiply
854,197.15x = 1,178,816.67 × 472,248.54 - Step 4: Simplify right side
854,197.15x = 556,694,451,335.16 - Step 5: Solve for x
x = 556,694,451,335.16/854,197.15 - Step 6: Final answer
x = 651,716.59
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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.