Finding the Fourth Proportional to 578,175.65, 867,258.60 and 451,922.09
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Solution
The fourth proportional to 578,175.65, 867,258.60 and 451,922.09 is: 677,879.32
Step by Step Solution
- Step 1: Write the proportion equation
578,175.65 : 867,258.60 = 451,922.09 : x - Step 2: Convert to fraction form
578,175.65/867,258.60 = 451,922.09/x - Step 3: Cross multiply
578,175.65x = 867,258.60 × 451,922.09 - Step 4: Simplify right side
578,175.65x = 391,933,319,082.47 - Step 5: Solve for x
x = 391,933,319,082.47/578,175.65 - Step 6: Final answer
x = 677,879.32
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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.