Finding the Fourth Proportional to 902,352.76, 1,245,246.80 and 539,791.90
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Solution
The fourth proportional to 902,352.76, 1,245,246.80 and 539,791.90 is: 744,912.82
Step by Step Solution
- Step 1: Write the proportion equation
902,352.76 : 1,245,246.80 = 539,791.90 : x - Step 2: Convert to fraction form
902,352.76/1,245,246.80 = 539,791.90/x - Step 3: Cross multiply
902,352.76x = 1,245,246.80 × 539,791.90 - Step 4: Simplify right side
902,352.76x = 672,174,136,140.92 - Step 5: Solve for x
x = 672,174,136,140.92/902,352.76 - Step 6: Final answer
x = 744,912.82
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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.