Finding the Fourth Proportional to 888,014.14, 1,332,239.91 and 256,991.74
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Solution
The fourth proportional to 888,014.14, 1,332,239.91 and 256,991.74 is: 385,550.90
Step by Step Solution
- Step 1: Write the proportion equation
888,014.14 : 1,332,239.91 = 256,991.74 : x - Step 2: Convert to fraction form
888,014.14/1,332,239.91 = 256,991.74/x - Step 3: Cross multiply
888,014.14x = 1,332,239.91 × 256,991.74 - Step 4: Simplify right side
888,014.14x = 342,374,648,274.03 - Step 5: Solve for x
x = 342,374,648,274.03/888,014.14 - Step 6: Final answer
x = 385,550.90
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1.5x scale
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.