Finding the Fourth Proportional to 757,434.20, 1,134,983.57 and 372,741.49
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Solution
The fourth proportional to 757,434.20, 1,134,983.57 and 372,741.49 is: 558,537.59
Step by Step Solution
- Step 1: Write the proportion equation
757,434.20 : 1,134,983.57 = 372,741.49 : x - Step 2: Convert to fraction form
757,434.20/1,134,983.57 = 372,741.49/x - Step 3: Cross multiply
757,434.20x = 1,134,983.57 × 372,741.49 - Step 4: Simplify right side
757,434.20x = 423,055,466,562.34 - Step 5: Solve for x
x = 423,055,466,562.34/757,434.20 - Step 6: Final answer
x = 558,537.59
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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.