Finding the Fourth Proportional to 854,197.10, 1,178,816.59 and 472,248.48
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Solution
The fourth proportional to 854,197.10, 1,178,816.59 and 472,248.48 is: 651,716.50
Step by Step Solution
- Step 1: Write the proportion equation
854,197.10 : 1,178,816.59 = 472,248.48 : x - Step 2: Convert to fraction form
854,197.10/1,178,816.59 = 472,248.48/x - Step 3: Cross multiply
854,197.10x = 1,178,816.59 × 472,248.48 - Step 4: Simplify right side
854,197.10x = 556,694,341,645.66 - Step 5: Solve for x
x = 556,694,341,645.66/854,197.10 - Step 6: Final answer
x = 651,716.50
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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.