Finding the Fourth Proportional to 976,796.64, 1,347,549.96 and 589,395.99
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Solution
The fourth proportional to 976,796.64, 1,347,549.96 and 589,395.99 is: 813,107.37
Step by Step Solution
- Step 1: Write the proportion equation
976,796.64 : 1,347,549.96 = 589,395.99 : x - Step 2: Convert to fraction form
976,796.64/1,347,549.96 = 589,395.99/x - Step 3: Cross multiply
976,796.64x = 1,347,549.96 × 589,395.99 - Step 4: Simplify right side
976,796.64x = 794,240,542,748.66 - Step 5: Solve for x
x = 794,240,542,748.66/976,796.64 - Step 6: Final answer
x = 813,107.37
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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.