Finding the Fourth Proportional to 674,378.40, 1,012,135.14 and 337,317.96
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Solution
The fourth proportional to 674,378.40, 1,012,135.14 and 337,317.96 is: 506,260.82
Step by Step Solution
- Step 1: Write the proportion equation
674,378.40 : 1,012,135.14 = 337,317.96 : x - Step 2: Convert to fraction form
674,378.40/1,012,135.14 = 337,317.96/x - Step 3: Cross multiply
674,378.40x = 1,012,135.14 × 337,317.96 - Step 4: Simplify right side
674,378.40x = 341,411,360,669.11 - Step 5: Solve for x
x = 341,411,360,669.11/674,378.40 - Step 6: Final answer
x = 506,260.82
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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.