Finding the Fourth Proportional to 820,096.35, 1,130,727.51 and 674,392.95
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Solution
The fourth proportional to 820,096.35, 1,130,727.51 and 674,392.95 is: 929,835.45
Step by Step Solution
- Step 1: Write the proportion equation
820,096.35 : 1,130,727.51 = 674,392.95 : x - Step 2: Convert to fraction form
820,096.35/1,130,727.51 = 674,392.95/x - Step 3: Cross multiply
820,096.35x = 1,130,727.51 × 674,392.95 - Step 4: Simplify right side
820,096.35x = 762,554,661,115.06 - Step 5: Solve for x
x = 762,554,661,115.06/820,096.35 - Step 6: Final answer
x = 929,835.45
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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.