Finding the Fourth Proportional to 626,475.67, 864,537.11 and 339,995.95
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Solution
The fourth proportional to 626,475.67, 864,537.11 and 339,995.95 is: 469,194.78
Step by Step Solution
- Step 1: Write the proportion equation
626,475.67 : 864,537.11 = 339,995.95 : x - Step 2: Convert to fraction form
626,475.67/864,537.11 = 339,995.95/x - Step 3: Cross multiply
626,475.67x = 864,537.11 × 339,995.95 - Step 4: Simplify right side
626,475.67x = 293,939,116,024.71 - Step 5: Solve for x
x = 293,939,116,024.71/626,475.67 - Step 6: Final answer
x = 469,194.78
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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.