Finding the Fourth Proportional to 757,032.75, 1,134,988.61 and 457,443.18
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Solution
The fourth proportional to 757,032.75, 1,134,988.61 and 457,443.18 is: 685,826.07
Step by Step Solution
- Step 1: Write the proportion equation
757,032.75 : 1,134,988.61 = 457,443.18 : x - Step 2: Convert to fraction form
757,032.75/1,134,988.61 = 457,443.18/x - Step 3: Cross multiply
757,032.75x = 1,134,988.61 × 457,443.18 - Step 4: Simplify right side
757,032.75x = 519,192,796,734.96 - Step 5: Solve for x
x = 519,192,796,734.96/757,032.75 - Step 6: Final answer
x = 685,826.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.