Finding the Fourth Proportional to 867,570.28, 1,197,246.66 and 485,596.96
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Solution
The fourth proportional to 867,570.28, 1,197,246.66 and 485,596.96 is: 670,123.62
Step by Step Solution
- Step 1: Write the proportion equation
867,570.28 : 1,197,246.66 = 485,596.96 : x - Step 2: Convert to fraction form
867,570.28/1,197,246.66 = 485,596.96/x - Step 3: Cross multiply
867,570.28x = 1,197,246.66 × 485,596.96 - Step 4: Simplify right side
867,570.28x = 581,379,338,466.15 - Step 5: Solve for x
x = 581,379,338,466.15/867,570.28 - Step 6: Final answer
x = 670,123.62
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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.