Finding the Fourth Proportional to 693,860.32, 957,514.80 and 392,047.84
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Solution
The fourth proportional to 693,860.32, 957,514.80 and 392,047.84 is: 541,018.99
Step by Step Solution
- Step 1: Write the proportion equation
693,860.32 : 957,514.80 = 392,047.84 : x - Step 2: Convert to fraction form
693,860.32/957,514.80 = 392,047.84/x - Step 3: Cross multiply
693,860.32x = 957,514.80 × 392,047.84 - Step 4: Simplify right side
693,860.32x = 375,391,609,108.03 - Step 5: Solve for x
x = 375,391,609,108.03/693,860.32 - Step 6: Final answer
x = 541,018.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.