Finding the Fourth Proportional to 683,969.21, 943,880.50 and 373,878.13
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Solution
The fourth proportional to 683,969.21, 943,880.50 and 373,878.13 is: 515,953.45
Step by Step Solution
- Step 1: Write the proportion equation
683,969.21 : 943,880.50 = 373,878.13 : x - Step 2: Convert to fraction form
683,969.21/943,880.50 = 373,878.13/x - Step 3: Cross multiply
683,969.21x = 943,880.50 × 373,878.13 - Step 4: Simplify right side
683,969.21x = 352,896,274,057.82 - Step 5: Solve for x
x = 352,896,274,057.82/683,969.21 - Step 6: Final answer
x = 515,953.45
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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.