Finding the Fourth Proportional to 862,877.24, 1,190,776.51 and 480,928.62
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Solution
The fourth proportional to 862,877.24, 1,190,776.51 and 480,928.62 is: 663,684.80
Step by Step Solution
- Step 1: Write the proportion equation
862,877.24 : 1,190,776.51 = 480,928.62 : x - Step 2: Convert to fraction form
862,877.24/1,190,776.51 = 480,928.62/x - Step 3: Cross multiply
862,877.24x = 1,190,776.51 × 480,928.62 - Step 4: Simplify right side
862,877.24x = 572,678,508,749.29 - Step 5: Solve for x
x = 572,678,508,749.29/862,877.24 - Step 6: Final answer
x = 663,684.80
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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.