Finding the Fourth Proportional to 695,998.26, 960,477.21 and 394,192.26
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Solution
The fourth proportional to 695,998.26, 960,477.21 and 394,192.26 is: 543,985.10
Step by Step Solution
- Step 1: Write the proportion equation
695,998.26 : 960,477.21 = 394,192.26 : x - Step 2: Convert to fraction form
695,998.26/960,477.21 = 394,192.26/x - Step 3: Cross multiply
695,998.26x = 960,477.21 × 394,192.26 - Step 4: Simplify right side
695,998.26x = 378,612,682,088.40 - Step 5: Solve for x
x = 378,612,682,088.40/695,998.26 - Step 6: Final answer
x = 543,985.10
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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.