Finding the Fourth Proportional to 754,315.53, 1,131,508.73 and 248,920.68
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Solution
The fourth proportional to 754,315.53, 1,131,508.73 and 248,920.68 is: 373,392.71
Step by Step Solution
- Step 1: Write the proportion equation
754,315.53 : 1,131,508.73 = 248,920.68 : x - Step 2: Convert to fraction form
754,315.53/1,131,508.73 = 248,920.68/x - Step 3: Cross multiply
754,315.53x = 1,131,508.73 × 248,920.68 - Step 4: Simplify right side
754,315.53x = 281,655,922,497.54 - Step 5: Solve for x
x = 281,655,922,497.54/754,315.53 - Step 6: Final answer
x = 373,392.71
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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.