Finding the Fourth Proportional to 921,441.87, 1,271,596.09 and 513,569.99
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Solution
The fourth proportional to 921,441.87, 1,271,596.09 and 513,569.99 is: 708,730.10
Step by Step Solution
- Step 1: Write the proportion equation
921,441.87 : 1,271,596.09 = 513,569.99 : x - Step 2: Convert to fraction form
921,441.87/1,271,596.09 = 513,569.99/x - Step 3: Cross multiply
921,441.87x = 1,271,596.09 × 513,569.99 - Step 4: Simplify right side
921,441.87x = 653,053,591,225.34 - Step 5: Solve for x
x = 653,053,591,225.34/921,441.87 - Step 6: Final answer
x = 708,730.10
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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.