Finding the Fourth Proportional to 517,716.99, 714,278.19 and 302,704.82
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Solution
The fourth proportional to 517,716.99, 714,278.19 and 302,704.82 is: 417,632.51
Step by Step Solution
- Step 1: Write the proportion equation
517,716.99 : 714,278.19 = 302,704.82 : x - Step 2: Convert to fraction form
517,716.99/714,278.19 = 302,704.82/x - Step 3: Cross multiply
517,716.99x = 714,278.19 × 302,704.82 - Step 4: Simplify right side
517,716.99x = 216,215,447,362.49 - Step 5: Solve for x
x = 216,215,447,362.49/517,716.99 - Step 6: Final answer
x = 417,632.51
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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.