Finding the Fourth Proportional to 491,161.04, 736,739.13 and 424,396.79
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Solution
The fourth proportional to 491,161.04, 736,739.13 and 424,396.79 is: 636,593.09
Step by Step Solution
- Step 1: Write the proportion equation
491,161.04 : 736,739.13 = 424,396.79 : x - Step 2: Convert to fraction form
491,161.04/736,739.13 = 424,396.79/x - Step 3: Cross multiply
491,161.04x = 736,739.13 × 424,396.79 - Step 4: Simplify right side
491,161.04x = 312,669,721,839.39 - Step 5: Solve for x
x = 312,669,721,839.39/491,161.04 - Step 6: Final answer
x = 636,593.09
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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.