Finding the Fourth Proportional to 921,190.15, 1,271,244.99 and 534,080.80
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Solution
The fourth proportional to 921,190.15, 1,271,244.99 and 534,080.80 is: 737,033.00
Step by Step Solution
- Step 1: Write the proportion equation
921,190.15 : 1,271,244.99 = 534,080.80 : x - Step 2: Convert to fraction form
921,190.15/1,271,244.99 = 534,080.80/x - Step 3: Cross multiply
921,190.15x = 1,271,244.99 × 534,080.80 - Step 4: Simplify right side
921,190.15x = 678,947,541,255.19 - Step 5: Solve for x
x = 678,947,541,255.19/921,190.15 - Step 6: Final answer
x = 737,033.00
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1.5x scale
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.