Finding the Fourth Proportional to 628,652.00, 867,558.50 and 387,073.96
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Solution
The fourth proportional to 628,652.00, 867,558.50 and 387,073.96 is: 534,173.60
Step by Step Solution
- Step 1: Write the proportion equation
628,652.00 : 867,558.50 = 387,073.96 : x - Step 2: Convert to fraction form
628,652.00/867,558.50 = 387,073.96/x - Step 3: Cross multiply
628,652.00x = 867,558.50 × 387,073.96 - Step 4: Simplify right side
628,652.00x = 335,809,301,473.92 - Step 5: Solve for x
x = 335,809,301,473.92/628,652.00 - Step 6: Final answer
x = 534,173.60
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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.