Finding the Fourth Proportional to 722,443.14, 1,083,716.64 and 249,121.68
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Solution
The fourth proportional to 722,443.14, 1,083,716.64 and 249,121.68 is: 373,700.43
Step by Step Solution
- Step 1: Write the proportion equation
722,443.14 : 1,083,716.64 = 249,121.68 : x - Step 2: Convert to fraction form
722,443.14/1,083,716.64 = 249,121.68/x - Step 3: Cross multiply
722,443.14x = 1,083,716.64 × 249,121.68 - Step 4: Simplify right side
722,443.14x = 269,977,310,000.76 - Step 5: Solve for x
x = 269,977,310,000.76/722,443.14 - Step 6: Final answer
x = 373,700.43
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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.