Finding the Fourth Proportional to 742,537.20, 1,024,704.36 and 403,005.84
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Solution
The fourth proportional to 742,537.20, 1,024,704.36 and 403,005.84 is: 556,149.70
Step by Step Solution
- Step 1: Write the proportion equation
742,537.20 : 1,024,704.36 = 403,005.84 : x - Step 2: Convert to fraction form
742,537.20/1,024,704.36 = 403,005.84/x - Step 3: Cross multiply
742,537.20x = 1,024,704.36 × 403,005.84 - Step 4: Simplify right side
742,537.20x = 412,961,841,353.46 - Step 5: Solve for x
x = 412,961,841,353.46/742,537.20 - Step 6: Final answer
x = 556,149.70
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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.