Finding the Fourth Proportional to 945,434, 1,418,163.35 and 314,347.81
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Solution
The fourth proportional to 945,434, 1,418,163.35 and 314,347.81 is: 471,525.82
Step by Step Solution
- Step 1: Write the proportion equation
945,434 : 1,418,163.35 = 314,347.81 : x - Step 2: Convert to fraction form
945,434/1,418,163.35 = 314,347.81/x - Step 3: Cross multiply
945,434x = 1,418,163.35 × 314,347.81 - Step 4: Simplify right side
945,434x = 445,796,543,294.76 - Step 5: Solve for x
x = 445,796,543,294.76/945,434 - Step 6: Final answer
x = 471,525.82
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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.