Finding the Fourth Proportional to 849,441.90, 1,172,096.01 and 486,795.99
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Solution
The fourth proportional to 849,441.90, 1,172,096.01 and 486,795.99 is: 671,701.78
Step by Step Solution
- Step 1: Write the proportion equation
849,441.90 : 1,172,096.01 = 486,795.99 : x - Step 2: Convert to fraction form
849,441.90/1,172,096.01 = 486,795.99/x - Step 3: Cross multiply
849,441.90x = 1,172,096.01 × 486,795.99 - Step 4: Simplify right side
849,441.90x = 570,571,637,563.00 - Step 5: Solve for x
x = 570,571,637,563.00/849,441.90 - Step 6: Final answer
x = 671,701.78
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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.