Finding the Fourth Proportional to 749,980.19, 1,125,087.60 and 244,423.69
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Solution
The fourth proportional to 749,980.19, 1,125,087.60 and 244,423.69 is: 366,673.77
Step by Step Solution
- Step 1: Write the proportion equation
749,980.19 : 1,125,087.60 = 244,423.69 : x - Step 2: Convert to fraction form
749,980.19/1,125,087.60 = 244,423.69/x - Step 3: Cross multiply
749,980.19x = 1,125,087.60 × 244,423.69 - Step 4: Simplify right side
749,980.19x = 274,998,062,765.24 - Step 5: Solve for x
x = 274,998,062,765.24/749,980.19 - Step 6: Final answer
x = 366,673.77
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1.5x scale
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.