Finding the Fourth Proportional to 685,670.19, 1,029,168.67 and 330,933.93
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Solution
The fourth proportional to 685,670.19, 1,029,168.67 and 330,933.93 is: 496,721.07
Step by Step Solution
- Step 1: Write the proportion equation
685,670.19 : 1,029,168.67 = 330,933.93 : x - Step 2: Convert to fraction form
685,670.19/1,029,168.67 = 330,933.93/x - Step 3: Cross multiply
685,670.19x = 1,029,168.67 × 330,933.93 - Step 4: Simplify right side
685,670.19x = 340,586,832,595.97 - Step 5: Solve for x
x = 340,586,832,595.97/685,670.19 - Step 6: Final answer
x = 496,721.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.