Finding the Fourth Proportional to 400,896.12, 597,307.72 and 395,122.44
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Solution
The fourth proportional to 400,896.12, 597,307.72 and 395,122.44 is: 588,705.33
Step by Step Solution
- Step 1: Write the proportion equation
400,896.12 : 597,307.72 = 395,122.44 : x - Step 2: Convert to fraction form
400,896.12/597,307.72 = 395,122.44/x - Step 3: Cross multiply
400,896.12x = 597,307.72 × 395,122.44 - Step 4: Simplify right side
400,896.12x = 236,009,683,757.24 - Step 5: Solve for x
x = 236,009,683,757.24/400,896.12 - Step 6: Final answer
x = 588,705.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.