Finding the Fourth Proportional to 670,791.42, 925,607.97 and 453,472.83
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Solution
The fourth proportional to 670,791.42, 925,607.97 and 453,472.83 is: 625,735.59
Step by Step Solution
- Step 1: Write the proportion equation
670,791.42 : 925,607.97 = 453,472.83 : x - Step 2: Convert to fraction form
670,791.42/925,607.97 = 453,472.83/x - Step 3: Cross multiply
670,791.42x = 925,607.97 × 453,472.83 - Step 4: Simplify right side
670,791.42x = 419,738,065,626.46 - Step 5: Solve for x
x = 419,738,065,626.46/670,791.42 - Step 6: Final answer
x = 625,735.59
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1.5x scale
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.