Finding the Fourth Proportional to 611,041.86, 843,048.81 and 356,212.62
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Solution
The fourth proportional to 611,041.86, 843,048.81 and 356,212.62 is: 491,463.26
Step by Step Solution
- Step 1: Write the proportion equation
611,041.86 : 843,048.81 = 356,212.62 : x - Step 2: Convert to fraction form
611,041.86/843,048.81 = 356,212.62/x - Step 3: Cross multiply
611,041.86x = 843,048.81 × 356,212.62 - Step 4: Simplify right side
611,041.86x = 300,304,625,397.98 - Step 5: Solve for x
x = 300,304,625,397.98/611,041.86 - Step 6: Final answer
x = 491,463.26
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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.