Finding the Fourth Proportional to 766,309.08, 1,057,506.16 and 444,205.84
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Solution
The fourth proportional to 766,309.08, 1,057,506.16 and 444,205.84 is: 613,003.84
Step by Step Solution
- Step 1: Write the proportion equation
766,309.08 : 1,057,506.16 = 444,205.84 : x - Step 2: Convert to fraction form
766,309.08/1,057,506.16 = 444,205.84/x - Step 3: Cross multiply
766,309.08x = 1,057,506.16 × 444,205.84 - Step 4: Simplify right side
766,309.08x = 469,750,412,107.97 - Step 5: Solve for x
x = 469,750,412,107.97/766,309.08 - Step 6: Final answer
x = 613,003.84
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Double scale
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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.