Finding the Fourth Proportional to 444,357.54, 612,575.49 and 316,811.70
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Solution
The fourth proportional to 444,357.54, 612,575.49 and 316,811.70 is: 436,745.33
Step by Step Solution
- Step 1: Write the proportion equation
444,357.54 : 612,575.49 = 316,811.70 : x - Step 2: Convert to fraction form
444,357.54/612,575.49 = 316,811.70/x - Step 3: Cross multiply
444,357.54x = 612,575.49 × 316,811.70 - Step 4: Simplify right side
444,357.54x = 194,071,082,365.23 - Step 5: Solve for x
x = 194,071,082,365.23/444,357.54 - Step 6: Final answer
x = 436,745.33
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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.