Finding the Fourth Proportional to 668,027.70, 921,860.73 and 362,090.70
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Solution
The fourth proportional to 668,027.70, 921,860.73 and 362,090.70 is: 499,675.68
Step by Step Solution
- Step 1: Write the proportion equation
668,027.70 : 921,860.73 = 362,090.70 : x - Step 2: Convert to fraction form
668,027.70/921,860.73 = 362,090.70/x - Step 3: Cross multiply
668,027.70x = 921,860.73 × 362,090.70 - Step 4: Simplify right side
668,027.70x = 333,797,197,028.21 - Step 5: Solve for x
x = 333,797,197,028.21/668,027.70 - Step 6: Final answer
x = 499,675.68
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1.5x scale
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.