Finding the Fourth Proportional to 589,062.26, 812,909.18 and 330,950.09
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Solution
The fourth proportional to 589,062.26, 812,909.18 and 330,950.09 is: 456,712.96
Step by Step Solution
- Step 1: Write the proportion equation
589,062.26 : 812,909.18 = 330,950.09 : x - Step 2: Convert to fraction form
589,062.26/812,909.18 = 330,950.09/x - Step 3: Cross multiply
589,062.26x = 812,909.18 × 330,950.09 - Step 4: Simplify right side
589,062.26x = 269,032,366,282.83 - Step 5: Solve for x
x = 269,032,366,282.83/589,062.26 - Step 6: Final answer
x = 456,712.96
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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.