Finding the Fourth Proportional to 921,825.99, 1,271,149.88 and 727,911.99
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Solution
The fourth proportional to 921,825.99, 1,271,149.88 and 727,911.99 is: 1,003,752.60
Step by Step Solution
- Step 1: Write the proportion equation
921,825.99 : 1,271,149.88 = 727,911.99 : x - Step 2: Convert to fraction form
921,825.99/1,271,149.88 = 727,911.99/x - Step 3: Cross multiply
921,825.99x = 1,271,149.88 × 727,911.99 - Step 4: Simplify right side
921,825.99x = 925,285,235,099.50 - Step 5: Solve for x
x = 925,285,235,099.50/921,825.99 - Step 6: Final answer
x = 1,003,752.60
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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.