Finding the Fourth Proportional to 477,518.49, 658,525.01 and 313,885.94
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Solution
The fourth proportional to 477,518.49, 658,525.01 and 313,885.94 is: 432,866.46
Step by Step Solution
- Step 1: Write the proportion equation
477,518.49 : 658,525.01 = 313,885.94 : x - Step 2: Convert to fraction form
477,518.49/658,525.01 = 313,885.94/x - Step 3: Cross multiply
477,518.49x = 658,525.01 × 313,885.94 - Step 4: Simplify right side
477,518.49x = 206,701,736,915.31 - Step 5: Solve for x
x = 206,701,736,915.31/477,518.49 - Step 6: Final answer
x = 432,866.46
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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.