Finding the Fourth Proportional to 589,539.19, 812,986.11 and 374,305.59
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Solution
The fourth proportional to 589,539.19, 812,986.11 and 374,305.59 is: 516,174.75
Step by Step Solution
- Step 1: Write the proportion equation
589,539.19 : 812,986.11 = 374,305.59 : x - Step 2: Convert to fraction form
589,539.19/812,986.11 = 374,305.59/x - Step 3: Cross multiply
589,539.19x = 812,986.11 × 374,305.59 - Step 4: Simplify right side
589,539.19x = 304,305,245,565.36 - Step 5: Solve for x
x = 304,305,245,565.36/589,539.19 - Step 6: Final answer
x = 516,174.75
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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.