Finding the Fourth Proportional to 748,330.88, 1,122,506.04 and 249,694.88
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Solution
The fourth proportional to 748,330.88, 1,122,506.04 and 249,694.88 is: 374,545.56
Step by Step Solution
- Step 1: Write the proportion equation
748,330.88 : 1,122,506.04 = 249,694.88 : x - Step 2: Convert to fraction form
748,330.88/1,122,506.04 = 249,694.88/x - Step 3: Cross multiply
748,330.88x = 1,122,506.04 × 249,694.88 - Step 4: Simplify right side
748,330.88x = 280,284,005,344.55 - Step 5: Solve for x
x = 280,284,005,344.55/748,330.88 - Step 6: Final answer
x = 374,545.56
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1.5x scale
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.