Finding the Fourth Proportional to 998,453.70, 1,497,680.55 and 367,613.55
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Solution
The fourth proportional to 998,453.70, 1,497,680.55 and 367,613.55 is: 551,420.33
Step by Step Solution
- Step 1: Write the proportion equation
998,453.70 : 1,497,680.55 = 367,613.55 : x - Step 2: Convert to fraction form
998,453.70/1,497,680.55 = 367,613.55/x - Step 3: Cross multiply
998,453.70x = 1,497,680.55 × 367,613.55 - Step 4: Simplify right side
998,453.70x = 550,567,663,751.45 - Step 5: Solve for x
x = 550,567,663,751.45/998,453.70 - Step 6: Final answer
x = 551,420.33
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1.5x scale
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.