Finding the Fourth Proportional to 394,722.60, 588,331.61 and 372,303.44
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Solution
The fourth proportional to 394,722.60, 588,331.61 and 372,303.44 is: 554,915.99
Step by Step Solution
- Step 1: Write the proportion equation
394,722.60 : 588,331.61 = 372,303.44 : x - Step 2: Convert to fraction form
394,722.60/588,331.61 = 372,303.44/x - Step 3: Cross multiply
394,722.60x = 588,331.61 × 372,303.44 - Step 4: Simplify right side
394,722.60x = 219,037,882,263.74 - Step 5: Solve for x
x = 219,037,882,263.74/394,722.60 - Step 6: Final answer
x = 554,915.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.