Finding the Fourth Proportional to 766,197.09, 1,057,351.98 and 444,094.02
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Solution
The fourth proportional to 766,197.09, 1,057,351.98 and 444,094.02 is: 612,849.75
Step by Step Solution
- Step 1: Write the proportion equation
766,197.09 : 1,057,351.98 = 444,094.02 : x - Step 2: Convert to fraction form
766,197.09/1,057,351.98 = 444,094.02/x - Step 3: Cross multiply
766,197.09x = 1,057,351.98 × 444,094.02 - Step 4: Simplify right side
766,197.09x = 469,563,691,353.16 - Step 5: Solve for x
x = 469,563,691,353.16/766,197.09 - Step 6: Final answer
x = 612,849.75
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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.