Finding the Fourth Proportional to 486,122.71, 728,134.30 and 474,225.43
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Solution
The fourth proportional to 486,122.71, 728,134.30 and 474,225.43 is: 710,314.07
Step by Step Solution
- Step 1: Write the proportion equation
486,122.71 : 728,134.30 = 474,225.43 : x - Step 2: Convert to fraction form
486,122.71/728,134.30 = 474,225.43/x - Step 3: Cross multiply
486,122.71x = 728,134.30 × 474,225.43 - Step 4: Simplify right side
486,122.71x = 345,299,801,515.25 - Step 5: Solve for x
x = 345,299,801,515.25/486,122.71 - Step 6: Final answer
x = 710,314.07
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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.