Finding the Fourth Proportional to 486,122.46, 728,133.93 and 474,225.18
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Solution
The fourth proportional to 486,122.46, 728,133.93 and 474,225.18 is: 710,313.70
Step by Step Solution
- Step 1: Write the proportion equation
486,122.46 : 728,133.93 = 474,225.18 : x - Step 2: Convert to fraction form
486,122.46/728,133.93 = 474,225.18/x - Step 3: Cross multiply
486,122.46x = 728,133.93 × 474,225.18 - Step 4: Simplify right side
486,122.46x = 345,299,444,018.36 - Step 5: Solve for x
x = 345,299,444,018.36/486,122.46 - Step 6: Final answer
x = 710,313.70
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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.