Finding the Fourth Proportional to 487,637.37, 673,074.81 and 283,727.68
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Solution
The fourth proportional to 487,637.37, 673,074.81 and 283,727.68 is: 391,622.88
Step by Step Solution
- Step 1: Write the proportion equation
487,637.37 : 673,074.81 = 283,727.68 : x - Step 2: Convert to fraction form
487,637.37/673,074.81 = 283,727.68/x - Step 3: Cross multiply
487,637.37x = 673,074.81 × 283,727.68 - Step 4: Simplify right side
487,637.37x = 190,969,952,625.05 - Step 5: Solve for x
x = 190,969,952,625.05/487,637.37 - Step 6: Final answer
x = 391,622.88
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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.