Finding the Fourth Proportional to 748,333.63, 1,122,510.17 and 249,697.63
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Solution
The fourth proportional to 748,333.63, 1,122,510.17 and 249,697.63 is: 374,549.69
Step by Step Solution
- Step 1: Write the proportion equation
748,333.63 : 1,122,510.17 = 249,697.63 : x - Step 2: Convert to fraction form
748,333.63/1,122,510.17 = 249,697.63/x - Step 3: Cross multiply
748,333.63x = 1,122,510.17 × 249,697.63 - Step 4: Simplify right side
748,333.63x = 280,288,129,099.90 - Step 5: Solve for x
x = 280,288,129,099.90/748,333.63 - Step 6: Final answer
x = 374,549.69
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1.5x scale
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.