Finding the Fourth Proportional to 672,806.88, 1,009,038.36 and 199,381.68
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Solution
The fourth proportional to 672,806.88, 1,009,038.36 and 199,381.68 is: 299,021.56
Step by Step Solution
- Step 1: Write the proportion equation
672,806.88 : 1,009,038.36 = 199,381.68 : x - Step 2: Convert to fraction form
672,806.88/1,009,038.36 = 199,381.68/x - Step 3: Cross multiply
672,806.88x = 1,009,038.36 × 199,381.68 - Step 4: Simplify right side
672,806.88x = 201,183,763,401.25 - Step 5: Solve for x
x = 201,183,763,401.25/672,806.88 - Step 6: Final answer
x = 299,021.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.