Finding the Fourth Proportional to 761,310.88, 1,050,622.38 and 417,124.26
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Solution
The fourth proportional to 761,310.88, 1,050,622.38 and 417,124.26 is: 575,638.80
Step by Step Solution
- Step 1: Write the proportion equation
761,310.88 : 1,050,622.38 = 417,124.26 : x - Step 2: Convert to fraction form
761,310.88/1,050,622.38 = 417,124.26/x - Step 3: Cross multiply
761,310.88x = 1,050,622.38 × 417,124.26 - Step 4: Simplify right side
761,310.88x = 438,240,082,796.94 - Step 5: Solve for x
x = 438,240,082,796.94/761,310.88 - Step 6: Final answer
x = 575,638.80
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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.