Finding the Fourth Proportional to 887,579.42, 1,224,859.55 and 479,682.05
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Solution
The fourth proportional to 887,579.42, 1,224,859.55 and 479,682.05 is: 661,961.20
Step by Step Solution
- Step 1: Write the proportion equation
887,579.42 : 1,224,859.55 = 479,682.05 : x - Step 2: Convert to fraction form
887,579.42/1,224,859.55 = 479,682.05/x - Step 3: Cross multiply
887,579.42x = 1,224,859.55 × 479,682.05 - Step 4: Simplify right side
887,579.42x = 587,543,131,383.37 - Step 5: Solve for x
x = 587,543,131,383.37/887,579.42 - Step 6: Final answer
x = 661,961.20
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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.