Finding the Fourth Proportional to 1,040,279.94, 1,559,976.84 and 408,750.75
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Solution
The fourth proportional to 1,040,279.94, 1,559,976.84 and 408,750.75 is: 612,952.03
Step by Step Solution
- Step 1: Write the proportion equation
1,040,279.94 : 1,559,976.84 = 408,750.75 : x - Step 2: Convert to fraction form
1,040,279.94/1,559,976.84 = 408,750.75/x - Step 3: Cross multiply
1,040,279.94x = 1,559,976.84 × 408,750.75 - Step 4: Simplify right side
1,040,279.94x = 637,641,703,332.63 - Step 5: Solve for x
x = 637,641,703,332.63/1,040,279.94 - Step 6: Final answer
x = 612,952.03
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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.