Finding the Fourth Proportional to 929,585.70, 1,394,378.55 and 929,585.70
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Solution
The fourth proportional to 929,585.70, 1,394,378.55 and 929,585.70 is: 1,394,378.55
Step by Step Solution
- Step 1: Write the proportion equation
929,585.70 : 1,394,378.55 = 929,585.70 : x - Step 2: Convert to fraction form
929,585.70/1,394,378.55 = 929,585.70/x - Step 3: Cross multiply
929,585.70x = 1,394,378.55 × 929,585.70 - Step 4: Simplify right side
929,585.70x = 1,296,194,360,466.73 - Step 5: Solve for x
x = 1,296,194,360,466.73/929,585.70 - Step 6: Final answer
x = 1,394,378.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.