Finding the Fourth Proportional to 672,021.84, 927,390.09 and 370,215.84
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Solution
The fourth proportional to 672,021.84, 927,390.09 and 370,215.84 is: 510,897.83
Step by Step Solution
- Step 1: Write the proportion equation
672,021.84 : 927,390.09 = 370,215.84 : x - Step 2: Convert to fraction form
672,021.84/927,390.09 = 370,215.84/x - Step 3: Cross multiply
672,021.84x = 927,390.09 × 370,215.84 - Step 4: Simplify right side
672,021.84x = 343,334,501,177.03 - Step 5: Solve for x
x = 343,334,501,177.03/672,021.84 - Step 6: Final answer
x = 510,897.83
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1.5x scale
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.