Finding the Fourth Proportional to 728,558.11, 1,092,175.58 and 254,985.13
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Solution
The fourth proportional to 728,558.11, 1,092,175.58 and 254,985.13 is: 382,246.15
Step by Step Solution
- Step 1: Write the proportion equation
728,558.11 : 1,092,175.58 = 254,985.13 : x - Step 2: Convert to fraction form
728,558.11/1,092,175.58 = 254,985.13/x - Step 3: Cross multiply
728,558.11x = 1,092,175.58 × 254,985.13 - Step 4: Simplify right side
728,558.11x = 278,488,532,249.13 - Step 5: Solve for x
x = 278,488,532,249.13/728,558.11 - Step 6: Final answer
x = 382,246.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.