Finding the Fourth Proportional to 683,887.11, 943,767.35 and 373,796.09
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Solution
The fourth proportional to 683,887.11, 943,767.35 and 373,796.09 is: 515,840.31
Step by Step Solution
- Step 1: Write the proportion equation
683,887.11 : 943,767.35 = 373,796.09 : x - Step 2: Convert to fraction form
683,887.11/943,767.35 = 373,796.09/x - Step 3: Cross multiply
683,887.11x = 943,767.35 × 373,796.09 - Step 4: Simplify right side
683,887.11x = 352,776,538,711.84 - Step 5: Solve for x
x = 352,776,538,711.84/683,887.11 - Step 6: Final answer
x = 515,840.31
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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.