Finding the Fourth Proportional to 801,936.36, 1,106,672.15 and 439,373.97
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Solution
The fourth proportional to 801,936.36, 1,106,672.15 and 439,373.97 is: 606,336.06
Step by Step Solution
- Step 1: Write the proportion equation
801,936.36 : 1,106,672.15 = 439,373.97 : x - Step 2: Convert to fraction form
801,936.36/1,106,672.15 = 439,373.97/x - Step 3: Cross multiply
801,936.36x = 1,106,672.15 × 439,373.97 - Step 4: Simplify right side
801,936.36x = 486,242,936,033.94 - Step 5: Solve for x
x = 486,242,936,033.94/801,936.36 - Step 6: Final answer
x = 606,336.06
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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.