Finding the Fourth Proportional to 605,421.63, 835,481.79 and 350,920.44
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Solution
The fourth proportional to 605,421.63, 835,481.79 and 350,920.44 is: 484,270.17
Step by Step Solution
- Step 1: Write the proportion equation
605,421.63 : 835,481.79 = 350,920.44 : x - Step 2: Convert to fraction form
605,421.63/835,481.79 = 350,920.44/x - Step 3: Cross multiply
605,421.63x = 835,481.79 × 350,920.44 - Step 4: Simplify right side
605,421.63x = 293,187,637,358.79 - Step 5: Solve for x
x = 293,187,637,358.79/605,421.63 - Step 6: Final answer
x = 484,270.17
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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.