Finding the Fourth Proportional to 489,315.82, 675,558.62 and 326,202.08
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Solution
The fourth proportional to 489,315.82, 675,558.62 and 326,202.08 is: 450,360.72
Step by Step Solution
- Step 1: Write the proportion equation
489,315.82 : 675,558.62 = 326,202.08 : x - Step 2: Convert to fraction form
489,315.82/675,558.62 = 326,202.08/x - Step 3: Cross multiply
489,315.82x = 675,558.62 × 326,202.08 - Step 4: Simplify right side
489,315.82x = 220,368,627,005.93 - Step 5: Solve for x
x = 220,368,627,005.93/489,315.82 - Step 6: Final answer
x = 450,360.72
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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.