Finding the Fourth Proportional to 844,197.12, 1,164,991.68 and 462,223.68
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Solution
The fourth proportional to 844,197.12, 1,164,991.68 and 462,223.68 is: 637,868.49
Step by Step Solution
- Step 1: Write the proportion equation
844,197.12 : 1,164,991.68 = 462,223.68 : x - Step 2: Convert to fraction form
844,197.12/1,164,991.68 = 462,223.68/x - Step 3: Cross multiply
844,197.12x = 1,164,991.68 × 462,223.68 - Step 4: Simplify right side
844,197.12x = 538,486,741,498.98 - Step 5: Solve for x
x = 538,486,741,498.98/844,197.12 - Step 6: Final answer
x = 637,868.49
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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.