Finding the Fourth Proportional to 852,126.12, 1,176,004.38 and 489,619.98
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Solution
The fourth proportional to 852,126.12, 1,176,004.38 and 489,619.98 is: 675,715.99
Step by Step Solution
- Step 1: Write the proportion equation
852,126.12 : 1,176,004.38 = 489,619.98 : x - Step 2: Convert to fraction form
852,126.12/1,176,004.38 = 489,619.98/x - Step 3: Cross multiply
852,126.12x = 1,176,004.38 × 489,619.98 - Step 4: Simplify right side
852,126.12x = 575,795,241,015.51 - Step 5: Solve for x
x = 575,795,241,015.51/852,126.12 - Step 6: Final answer
x = 675,715.99
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1.5x scale
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.