Finding the Fourth Proportional to 694,326.58, 958,125.48 and 388,349.95
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Solution
The fourth proportional to 694,326.58, 958,125.48 and 388,349.95 is: 535,897.65
Step by Step Solution
- Step 1: Write the proportion equation
694,326.58 : 958,125.48 = 388,349.95 : x - Step 2: Convert to fraction form
694,326.58/958,125.48 = 388,349.95/x - Step 3: Cross multiply
694,326.58x = 958,125.48 × 388,349.95 - Step 4: Simplify right side
694,326.58x = 372,087,982,251.73 - Step 5: Solve for x
x = 372,087,982,251.73/694,326.58 - Step 6: Final answer
x = 535,897.65
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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.