Finding the Fourth Proportional to 650,915.12, 898,256.96 and 364,439.99
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Solution
The fourth proportional to 650,915.12, 898,256.96 and 364,439.99 is: 502,923.87
Step by Step Solution
- Step 1: Write the proportion equation
650,915.12 : 898,256.96 = 364,439.99 : x - Step 2: Convert to fraction form
650,915.12/898,256.96 = 364,439.99/x - Step 3: Cross multiply
650,915.12x = 898,256.96 × 364,439.99 - Step 4: Simplify right side
650,915.12x = 327,360,751,206.35 - Step 5: Solve for x
x = 327,360,751,206.35/650,915.12 - Step 6: Final answer
x = 502,923.87
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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.