Finding the Fourth Proportional to 624,218.58, 935,934.21 and 343,932.66
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Solution
The fourth proportional to 624,218.58, 935,934.21 and 343,932.66 is: 515,682.09
Step by Step Solution
- Step 1: Write the proportion equation
624,218.58 : 935,934.21 = 343,932.66 : x - Step 2: Convert to fraction form
624,218.58/935,934.21 = 343,932.66/x - Step 3: Cross multiply
624,218.58x = 935,934.21 × 343,932.66 - Step 4: Simplify right side
624,218.58x = 321,898,342,430.30 - Step 5: Solve for x
x = 321,898,342,430.30/624,218.58 - Step 6: Final answer
x = 515,682.09
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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.