Finding the Fourth Proportional to 889,326.15, 1,334,026.13 and 258,239.96
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Solution
The fourth proportional to 889,326.15, 1,334,026.13 and 258,239.96 is: 387,370.65
Step by Step Solution
- Step 1: Write the proportion equation
889,326.15 : 1,334,026.13 = 258,239.96 : x - Step 2: Convert to fraction form
889,326.15/1,334,026.13 = 258,239.96/x - Step 3: Cross multiply
889,326.15x = 1,334,026.13 × 258,239.96 - Step 4: Simplify right side
889,326.15x = 344,498,846,488.82 - Step 5: Solve for x
x = 344,498,846,488.82/889,326.15 - Step 6: Final answer
x = 387,370.65
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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.