Finding the Fourth Proportional to 672,417.18, 927,936.06 and 382,029.26
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Solution
The fourth proportional to 672,417.18, 927,936.06 and 382,029.26 is: 527,200.58
Step by Step Solution
- Step 1: Write the proportion equation
672,417.18 : 927,936.06 = 382,029.26 : x - Step 2: Convert to fraction form
672,417.18/927,936.06 = 382,029.26/x - Step 3: Cross multiply
672,417.18x = 927,936.06 × 382,029.26 - Step 4: Simplify right side
672,417.18x = 354,498,728,648.96 - Step 5: Solve for x
x = 354,498,728,648.96/672,417.18 - Step 6: Final answer
x = 527,200.58
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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.