Finding the Fourth Proportional to 626,758.08, 864,979.70 and 354,873.88
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Solution
The fourth proportional to 626,758.08, 864,979.70 and 354,873.88 is: 489,756.27
Step by Step Solution
- Step 1: Write the proportion equation
626,758.08 : 864,979.70 = 354,873.88 : x - Step 2: Convert to fraction form
626,758.08/864,979.70 = 354,873.88/x - Step 3: Cross multiply
626,758.08x = 864,979.70 × 354,873.88 - Step 4: Simplify right side
626,758.08x = 306,958,702,260.24 - Step 5: Solve for x
x = 306,958,702,260.24/626,758.08 - Step 6: Final answer
x = 489,756.27
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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.