Finding the Fourth Proportional to 852,330.11, 1,176,240.33 and 465,170.40
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Solution
The fourth proportional to 852,330.11, 1,176,240.33 and 465,170.40 is: 641,948.68
Step by Step Solution
- Step 1: Write the proportion equation
852,330.11 : 1,176,240.33 = 465,170.40 : x - Step 2: Convert to fraction form
852,330.11/1,176,240.33 = 465,170.40/x - Step 3: Cross multiply
852,330.11x = 1,176,240.33 × 465,170.40 - Step 4: Simplify right side
852,330.11x = 547,152,184,802.23 - Step 5: Solve for x
x = 547,152,184,802.23/852,330.11 - Step 6: Final answer
x = 641,948.68
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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.