Finding the Fourth Proportional to 534,658.23, 737,828.19 and 319,848.75
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Solution
The fourth proportional to 534,658.23, 737,828.19 and 319,848.75 is: 441,391.17
Step by Step Solution
- Step 1: Write the proportion equation
534,658.23 : 737,828.19 = 319,848.75 : x - Step 2: Convert to fraction form
534,658.23/737,828.19 = 319,848.75/x - Step 3: Cross multiply
534,658.23x = 737,828.19 × 319,848.75 - Step 4: Simplify right side
534,658.23x = 235,993,424,286.26 - Step 5: Solve for x
x = 235,993,424,286.26/534,658.23 - Step 6: Final answer
x = 441,391.17
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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.