Finding the Fourth Proportional to 720,432.53, 994,169.99 and 414,556.14
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Solution
The fourth proportional to 720,432.53, 994,169.99 and 414,556.14 is: 572,072.00
Step by Step Solution
- Step 1: Write the proportion equation
720,432.53 : 994,169.99 = 414,556.14 : x - Step 2: Convert to fraction form
720,432.53/994,169.99 = 414,556.14/x - Step 3: Cross multiply
720,432.53x = 994,169.99 × 414,556.14 - Step 4: Simplify right side
720,432.53x = 412,139,273,558.24 - Step 5: Solve for x
x = 412,139,273,558.24/720,432.53 - Step 6: Final answer
x = 572,072.00
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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.