Finding the Fourth Proportional to 704,854.18, 1,057,272.10 and 172,379.82
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Solution
The fourth proportional to 704,854.18, 1,057,272.10 and 172,379.82 is: 258,567.49
Step by Step Solution
- Step 1: Write the proportion equation
704,854.18 : 1,057,272.10 = 172,379.82 : x - Step 2: Convert to fraction form
704,854.18/1,057,272.10 = 172,379.82/x - Step 3: Cross multiply
704,854.18x = 1,057,272.10 × 172,379.82 - Step 4: Simplify right side
704,854.18x = 182,252,374,289.02 - Step 5: Solve for x
x = 182,252,374,289.02/704,854.18 - Step 6: Final answer
x = 258,567.49
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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.