Finding the Fourth Proportional to 633,817.98, 874,675.71 and 347,331.96
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Solution
The fourth proportional to 633,817.98, 874,675.71 and 347,331.96 is: 479,321.88
Step by Step Solution
- Step 1: Write the proportion equation
633,817.98 : 874,675.71 = 347,331.96 : x - Step 2: Convert to fraction form
633,817.98/874,675.71 = 347,331.96/x - Step 3: Cross multiply
633,817.98x = 874,675.71 × 347,331.96 - Step 4: Simplify right side
633,817.98x = 303,802,828,718.69 - Step 5: Solve for x
x = 303,802,828,718.69/633,817.98 - Step 6: Final answer
x = 479,321.88
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1.5x scale
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.