Finding the Fourth Proportional to 931,703.68, 1,285,796.64 and 523,933.84
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Solution
The fourth proportional to 931,703.68, 1,285,796.64 and 523,933.84 is: 723,054.32
Step by Step Solution
- Step 1: Write the proportion equation
931,703.68 : 1,285,796.64 = 523,933.84 : x - Step 2: Convert to fraction form
931,703.68/1,285,796.64 = 523,933.84/x - Step 3: Cross multiply
931,703.68x = 1,285,796.64 × 523,933.84 - Step 4: Simplify right side
931,703.68x = 673,672,371,054.30 - Step 5: Solve for x
x = 673,672,371,054.30/931,703.68 - Step 6: Final answer
x = 723,054.32
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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.