Finding the Fourth Proportional to 859,277.97, 1,289,416.50 and 353,889.81
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Solution
The fourth proportional to 859,277.97, 1,289,416.50 and 353,889.81 is: 531,040.45
Step by Step Solution
- Step 1: Write the proportion equation
859,277.97 : 1,289,416.50 = 353,889.81 : x - Step 2: Convert to fraction form
859,277.97/1,289,416.50 = 353,889.81/x - Step 3: Cross multiply
859,277.97x = 1,289,416.50 × 353,889.81 - Step 4: Simplify right side
859,277.97x = 456,311,360,195.87 - Step 5: Solve for x
x = 456,311,360,195.87/859,277.97 - Step 6: Final answer
x = 531,040.45
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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.