Finding the Fourth Proportional to 657,833.14, 907,809.81 and 356,027.14
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Solution
The fourth proportional to 657,833.14, 907,809.81 and 356,027.14 is: 491,317.49
Step by Step Solution
- Step 1: Write the proportion equation
657,833.14 : 907,809.81 = 356,027.14 : x - Step 2: Convert to fraction form
657,833.14/907,809.81 = 356,027.14/x - Step 3: Cross multiply
657,833.14x = 907,809.81 × 356,027.14 - Step 4: Simplify right side
657,833.14x = 323,204,930,318.24 - Step 5: Solve for x
x = 323,204,930,318.24/657,833.14 - Step 6: Final answer
x = 491,317.49
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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.