Finding the Fourth Proportional to 717,850.14, 990,565.52 and 423,453.98
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Solution
The fourth proportional to 717,850.14, 990,565.52 and 423,453.98 is: 584,326.56
Step by Step Solution
- Step 1: Write the proportion equation
717,850.14 : 990,565.52 = 423,453.98 : x - Step 2: Convert to fraction form
717,850.14/990,565.52 = 423,453.98/x - Step 3: Cross multiply
717,850.14x = 990,565.52 × 423,453.98 - Step 4: Simplify right side
717,850.14x = 419,458,904,824.67 - Step 5: Solve for x
x = 419,458,904,824.67/717,850.14 - Step 6: Final answer
x = 584,326.56
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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.