Finding the Fourth Proportional to 701,809.60, 1,052,746.80 and 342,311.08
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Solution
The fourth proportional to 701,809.60, 1,052,746.80 and 342,311.08 is: 513,482.42
Step by Step Solution
- Step 1: Write the proportion equation
701,809.60 : 1,052,746.80 = 342,311.08 : x - Step 2: Convert to fraction form
701,809.60/1,052,746.80 = 342,311.08/x - Step 3: Cross multiply
701,809.60x = 1,052,746.80 × 342,311.08 - Step 4: Simplify right side
701,809.60x = 360,366,894,074.54 - Step 5: Solve for x
x = 360,366,894,074.54/701,809.60 - Step 6: Final answer
x = 513,482.42
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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.