Finding the Fourth Proportional to 985,833.99, 1,478,964.90 and 302,723.18
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Solution
The fourth proportional to 985,833.99, 1,478,964.90 and 302,723.18 is: 454,150.45
Step by Step Solution
- Step 1: Write the proportion equation
985,833.99 : 1,478,964.90 = 302,723.18 : x - Step 2: Convert to fraction form
985,833.99/1,478,964.90 = 302,723.18/x - Step 3: Cross multiply
985,833.99x = 1,478,964.90 × 302,723.18 - Step 4: Simplify right side
985,833.99x = 447,716,950,241.56 - Step 5: Solve for x
x = 447,716,950,241.56/985,833.99 - Step 6: Final answer
x = 454,150.45
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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.