Finding the Fourth Proportional to 736,446.36, 1,103,764.98 and 381,257.88
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Solution
The fourth proportional to 736,446.36, 1,103,764.98 and 381,257.88 is: 571,418.53
Step by Step Solution
- Step 1: Write the proportion equation
736,446.36 : 1,103,764.98 = 381,257.88 : x - Step 2: Convert to fraction form
736,446.36/1,103,764.98 = 381,257.88/x - Step 3: Cross multiply
736,446.36x = 1,103,764.98 × 381,257.88 - Step 4: Simplify right side
736,446.36x = 420,819,096,293.04 - Step 5: Solve for x
x = 420,819,096,293.04/736,446.36 - Step 6: Final answer
x = 571,418.53
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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.