Finding the Fourth Proportional to 556,801.30, 835,201.95 and 415,083.70
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Solution
The fourth proportional to 556,801.30, 835,201.95 and 415,083.70 is: 622,625.55
Step by Step Solution
- Step 1: Write the proportion equation
556,801.30 : 835,201.95 = 415,083.70 : x - Step 2: Convert to fraction form
556,801.30/835,201.95 = 415,083.70/x - Step 3: Cross multiply
556,801.30x = 835,201.95 × 415,083.70 - Step 4: Simplify right side
556,801.30x = 346,678,715,653.22 - Step 5: Solve for x
x = 346,678,715,653.22/556,801.30 - Step 6: Final answer
x = 622,625.55
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1.5x scale
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.