Finding the Fourth Proportional to 671,559.08, 926,785.64 and 381,191.08
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Solution
The fourth proportional to 671,559.08, 926,785.64 and 381,191.08 is: 526,063.05
Step by Step Solution
- Step 1: Write the proportion equation
671,559.08 : 926,785.64 = 381,191.08 : x - Step 2: Convert to fraction form
671,559.08/926,785.64 = 381,191.08/x - Step 3: Cross multiply
671,559.08x = 926,785.64 × 381,191.08 - Step 4: Simplify right side
671,559.08x = 353,282,419,040.09 - Step 5: Solve for x
x = 353,282,419,040.09/671,559.08 - Step 6: Final answer
x = 526,063.05
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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.