Finding the Fourth Proportional to 671,561.08, 926,788.40 and 381,193.08
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Solution
The fourth proportional to 671,561.08, 926,788.40 and 381,193.08 is: 526,065.81
Step by Step Solution
- Step 1: Write the proportion equation
671,561.08 : 926,788.40 = 381,193.08 : x - Step 2: Convert to fraction form
671,561.08/926,788.40 = 381,193.08/x - Step 3: Cross multiply
671,561.08x = 926,788.40 × 381,193.08 - Step 4: Simplify right side
671,561.08x = 353,285,324,704.27 - Step 5: Solve for x
x = 353,285,324,704.27/671,561.08 - Step 6: Final answer
x = 526,065.81
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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.