Finding the Fourth Proportional to 480,575.24, 724,106.90 and 398,169.08
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Solution
The fourth proportional to 480,575.24, 724,106.90 and 398,169.08 is: 599,941.39
Step by Step Solution
- Step 1: Write the proportion equation
480,575.24 : 724,106.90 = 398,169.08 : x - Step 2: Convert to fraction form
480,575.24/724,106.90 = 398,169.08/x - Step 3: Cross multiply
480,575.24x = 724,106.90 × 398,169.08 - Step 4: Simplify right side
480,575.24x = 288,316,978,194.65 - Step 5: Solve for x
x = 288,316,978,194.65/480,575.24 - Step 6: Final answer
x = 599,941.39
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.