Finding the Fourth Proportional to 725,883.24, 1,088,115.30 and 326,624.52
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Solution
The fourth proportional to 725,883.24, 1,088,115.30 and 326,624.52 is: 489,617.50
Step by Step Solution
- Step 1: Write the proportion equation
725,883.24 : 1,088,115.30 = 326,624.52 : x - Step 2: Convert to fraction form
725,883.24/1,088,115.30 = 326,624.52/x - Step 3: Cross multiply
725,883.24x = 1,088,115.30 × 326,624.52 - Step 4: Simplify right side
725,883.24x = 355,405,137,567.16 - Step 5: Solve for x
x = 355,405,137,567.16/725,883.24 - Step 6: Final answer
x = 489,617.50
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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.