Finding the Fourth Proportional to 674,965.80, 1,012,448.70 and 176,329.80
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Solution
The fourth proportional to 674,965.80, 1,012,448.70 and 176,329.80 is: 264,494.70
Step by Step Solution
- Step 1: Write the proportion equation
674,965.80 : 1,012,448.70 = 176,329.80 : x - Step 2: Convert to fraction form
674,965.80/1,012,448.70 = 176,329.80/x - Step 3: Cross multiply
674,965.80x = 1,012,448.70 × 176,329.80 - Step 4: Simplify right side
674,965.80x = 178,524,876,781.26 - Step 5: Solve for x
x = 178,524,876,781.26/674,965.80 - Step 6: Final answer
x = 264,494.70
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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.