Finding the Fourth Proportional to 748,330.13, 1,122,504.91 and 249,694.13
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Solution
The fourth proportional to 748,330.13, 1,122,504.91 and 249,694.13 is: 374,544.43
Step by Step Solution
- Step 1: Write the proportion equation
748,330.13 : 1,122,504.91 = 249,694.13 : x - Step 2: Convert to fraction form
748,330.13/1,122,504.91 = 249,694.13/x - Step 3: Cross multiply
748,330.13x = 1,122,504.91 × 249,694.13 - Step 4: Simplify right side
748,330.13x = 280,282,880,686.42 - Step 5: Solve for x
x = 280,282,880,686.42/748,330.13 - Step 6: Final answer
x = 374,544.43
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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.