Finding the Fourth Proportional to 949,471.71, 1,423,838.48 and 342,098.07
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Solution
The fourth proportional to 949,471.71, 1,423,838.48 and 342,098.07 is: 513,014.12
Step by Step Solution
- Step 1: Write the proportion equation
949,471.71 : 1,423,838.48 = 342,098.07 : x - Step 2: Convert to fraction form
949,471.71/1,423,838.48 = 342,098.07/x - Step 3: Cross multiply
949,471.71x = 1,423,838.48 × 342,098.07 - Step 4: Simplify right side
949,471.71x = 487,092,394,289.24 - Step 5: Solve for x
x = 487,092,394,289.24/949,471.71 - Step 6: Final answer
x = 513,014.12
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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.