Finding the Fourth Proportional to 671,764.26, 927,025.58 and 381,373.19
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Solution
The fourth proportional to 671,764.26, 927,025.58 and 381,373.19 is: 526,289.83
Step by Step Solution
- Step 1: Write the proportion equation
671,764.26 : 927,025.58 = 381,373.19 : x - Step 2: Convert to fraction form
671,764.26/927,025.58 = 381,373.19/x - Step 3: Cross multiply
671,764.26x = 927,025.58 × 381,373.19 - Step 4: Simplify right side
671,764.26x = 353,542,696,114.21 - Step 5: Solve for x
x = 353,542,696,114.21/671,764.26 - Step 6: Final answer
x = 526,289.83
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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.