Finding the Fourth Proportional to 605,521.36, 835,618.92 and 351,020.08
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Solution
The fourth proportional to 605,521.36, 835,618.92 and 351,020.08 is: 484,407.39
Step by Step Solution
- Step 1: Write the proportion equation
605,521.36 : 835,618.92 = 351,020.08 : x - Step 2: Convert to fraction form
605,521.36/835,618.92 = 351,020.08/x - Step 3: Cross multiply
605,521.36x = 835,618.92 × 351,020.08 - Step 4: Simplify right side
605,521.36x = 293,319,020,147.91 - Step 5: Solve for x
x = 293,319,020,147.91/605,521.36 - Step 6: Final answer
x = 484,407.39
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1.5x scale
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.