Finding the Fourth Proportional to 749,000.84, 1,123,390.69 and 275,576.09
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Solution
The fourth proportional to 749,000.84, 1,123,390.69 and 275,576.09 is: 413,323.45
Step by Step Solution
- Step 1: Write the proportion equation
749,000.84 : 1,123,390.69 = 275,576.09 : x - Step 2: Convert to fraction form
749,000.84/1,123,390.69 = 275,576.09/x - Step 3: Cross multiply
749,000.84x = 1,123,390.69 × 275,576.09 - Step 4: Simplify right side
749,000.84x = 309,579,607,586.71 - Step 5: Solve for x
x = 309,579,607,586.71/749,000.84 - Step 6: Final answer
x = 413,323.45
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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.