Finding the Fourth Proportional to 779,472.97, 1,169,839.17 and 330,509.09
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Solution
The fourth proportional to 779,472.97, 1,169,839.17 and 330,509.09 is: 496,030.64
Step by Step Solution
- Step 1: Write the proportion equation
779,472.97 : 1,169,839.17 = 330,509.09 : x - Step 2: Convert to fraction form
779,472.97/1,169,839.17 = 330,509.09/x - Step 3: Cross multiply
779,472.97x = 1,169,839.17 × 330,509.09 - Step 4: Simplify right side
779,472.97x = 386,642,479,523.06 - Step 5: Solve for x
x = 386,642,479,523.06/779,472.97 - Step 6: Final answer
x = 496,030.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.