Finding the Fourth Proportional to 489,163.90, 732,579.45 and 489,163.90
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Solution
The fourth proportional to 489,163.90, 732,579.45 and 489,163.90 is: 732,579.45
Step by Step Solution
- Step 1: Write the proportion equation
489,163.90 : 732,579.45 = 489,163.90 : x - Step 2: Convert to fraction form
489,163.90/732,579.45 = 489,163.90/x - Step 3: Cross multiply
489,163.90x = 732,579.45 × 489,163.90 - Step 4: Simplify right side
489,163.90x = 358,351,420,821.86 - Step 5: Solve for x
x = 358,351,420,821.86/489,163.90 - Step 6: Final answer
x = 732,579.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.