Finding the Fourth Proportional to 757,398.20, 1,045,588.30 and 471,010.55
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Solution
The fourth proportional to 757,398.20, 1,045,588.30 and 471,010.55 is: 650,230.11
Step by Step Solution
- Step 1: Write the proportion equation
757,398.20 : 1,045,588.30 = 471,010.55 : x - Step 2: Convert to fraction form
757,398.20/1,045,588.30 = 471,010.55/x - Step 3: Cross multiply
757,398.20x = 1,045,588.30 × 471,010.55 - Step 4: Simplify right side
757,398.20x = 492,483,113,851.10 - Step 5: Solve for x
x = 492,483,113,851.10/757,398.20 - Step 6: Final answer
x = 650,230.11
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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.