Finding the Fourth Proportional to 748,689.99, 1,122,509.04 and 262,253.19
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Solution
The fourth proportional to 748,689.99, 1,122,509.04 and 262,253.19 is: 393,195.56
Step by Step Solution
- Step 1: Write the proportion equation
748,689.99 : 1,122,509.04 = 262,253.19 : x - Step 2: Convert to fraction form
748,689.99/1,122,509.04 = 262,253.19/x - Step 3: Cross multiply
748,689.99x = 1,122,509.04 × 262,253.19 - Step 4: Simplify right side
748,689.99x = 294,381,579,769.80 - Step 5: Solve for x
x = 294,381,579,769.80/748,689.99 - Step 6: Final answer
x = 393,195.56
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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.