Finding the Fourth Proportional to 722,442.13, 1,083,715.14 and 249,120.66
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Solution
The fourth proportional to 722,442.13, 1,083,715.14 and 249,120.66 is: 373,698.90
Step by Step Solution
- Step 1: Write the proportion equation
722,442.13 : 1,083,715.14 = 249,120.66 : x - Step 2: Convert to fraction form
722,442.13/1,083,715.14 = 249,120.66/x - Step 3: Cross multiply
722,442.13x = 1,083,715.14 × 249,120.66 - Step 4: Simplify right side
722,442.13x = 269,975,830,928.79 - Step 5: Solve for x
x = 269,975,830,928.79/722,442.13 - Step 6: Final answer
x = 373,698.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.