Finding the Fourth Proportional to 489,010.26, 733,453.08 and 189,285.78
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Solution
The fourth proportional to 489,010.26, 733,453.08 and 189,285.78 is: 283,904.55
Step by Step Solution
- Step 1: Write the proportion equation
489,010.26 : 733,453.08 = 189,285.78 : x - Step 2: Convert to fraction form
489,010.26/733,453.08 = 189,285.78/x - Step 3: Cross multiply
489,010.26x = 733,453.08 × 189,285.78 - Step 4: Simplify right side
489,010.26x = 138,832,238,341.20 - Step 5: Solve for x
x = 138,832,238,341.20/489,010.26 - Step 6: Final answer
x = 283,904.55
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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.