Finding the Fourth Proportional to 892,339.34, 1,338,312.17 and 261,302.36
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Solution
The fourth proportional to 892,339.34, 1,338,312.17 and 261,302.36 is: 391,895.90
Step by Step Solution
- Step 1: Write the proportion equation
892,339.34 : 1,338,312.17 = 261,302.36 : x - Step 2: Convert to fraction form
892,339.34/1,338,312.17 = 261,302.36/x - Step 3: Cross multiply
892,339.34x = 1,338,312.17 × 261,302.36 - Step 4: Simplify right side
892,339.34x = 349,704,122,399.42 - Step 5: Solve for x
x = 349,704,122,399.42/892,339.34 - Step 6: Final answer
x = 391,895.90
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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.