Finding the Fourth Proportional to 887,588.76, 1,224,872.64 and 479,689.26
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Solution
The fourth proportional to 887,588.76, 1,224,872.64 and 479,689.26 is: 661,971.26
Step by Step Solution
- Step 1: Write the proportion equation
887,588.76 : 1,224,872.64 = 479,689.26 : x - Step 2: Convert to fraction form
887,588.76/1,224,872.64 = 479,689.26/x - Step 3: Cross multiply
887,588.76x = 1,224,872.64 × 479,689.26 - Step 4: Simplify right side
887,588.76x = 587,558,250,275.85 - Step 5: Solve for x
x = 587,558,250,275.85/887,588.76 - Step 6: Final answer
x = 661,971.26
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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.