Finding the Fourth Proportional to 749,937.21, 1,034,912.67 and 423,318.97
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Solution
The fourth proportional to 749,937.21, 1,034,912.67 and 423,318.97 is: 584,179.80
Step by Step Solution
- Step 1: Write the proportion equation
749,937.21 : 1,034,912.67 = 423,318.97 : x - Step 2: Convert to fraction form
749,937.21/1,034,912.67 = 423,318.97/x - Step 3: Cross multiply
749,937.21x = 1,034,912.67 × 423,318.97 - Step 4: Simplify right side
749,937.21x = 438,098,165,210.55 - Step 5: Solve for x
x = 438,098,165,210.55/749,937.21 - Step 6: Final answer
x = 584,179.80
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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.