Finding the Fourth Proportional to 440,988.09, 608,749.76 and 297,941.88
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Solution
The fourth proportional to 440,988.09, 608,749.76 and 297,941.88 is: 411,285.59
Step by Step Solution
- Step 1: Write the proportion equation
440,988.09 : 608,749.76 = 297,941.88 : x - Step 2: Convert to fraction form
440,988.09/608,749.76 = 297,941.88/x - Step 3: Cross multiply
440,988.09x = 608,749.76 × 297,941.88 - Step 4: Simplify right side
440,988.09x = 181,372,047,943.95 - Step 5: Solve for x
x = 181,372,047,943.95/440,988.09 - Step 6: Final answer
x = 411,285.59
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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.