Finding the Fourth Proportional to 856,487.89, 1,181,991.99 and 474,514.66
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Solution
The fourth proportional to 856,487.89, 1,181,991.99 and 474,514.66 is: 654,851.67
Step by Step Solution
- Step 1: Write the proportion equation
856,487.89 : 1,181,991.99 = 474,514.66 : x - Step 2: Convert to fraction form
856,487.89/1,181,991.99 = 474,514.66/x - Step 3: Cross multiply
856,487.89x = 1,181,991.99 × 474,514.66 - Step 4: Simplify right side
856,487.89x = 560,872,527,257.57 - Step 5: Solve for x
x = 560,872,527,257.57/856,487.89 - Step 6: Final answer
x = 654,851.67
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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.