Finding the Fourth Proportional to 539,125.14, 743,960.79 and 297,408.18
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Solution
The fourth proportional to 539,125.14, 743,960.79 and 297,408.18 is: 410,405.69
Step by Step Solution
- Step 1: Write the proportion equation
539,125.14 : 743,960.79 = 297,408.18 : x - Step 2: Convert to fraction form
539,125.14/743,960.79 = 297,408.18/x - Step 3: Cross multiply
539,125.14x = 743,960.79 × 297,408.18 - Step 4: Simplify right side
539,125.14x = 221,260,024,545.26 - Step 5: Solve for x
x = 221,260,024,545.26/539,125.14 - Step 6: Final answer
x = 410,405.69
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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.