Finding the Fourth Proportional to 489,699.55, 733,681.05 and 417,893.66
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Solution
The fourth proportional to 489,699.55, 733,681.05 and 417,893.66 is: 626,099.53
Step by Step Solution
- Step 1: Write the proportion equation
489,699.55 : 733,681.05 = 417,893.66 : x - Step 2: Convert to fraction form
489,699.55/733,681.05 = 417,893.66/x - Step 3: Cross multiply
489,699.55x = 733,681.05 × 417,893.66 - Step 4: Simplify right side
489,699.55x = 306,600,659,257.14 - Step 5: Solve for x
x = 306,600,659,257.14/489,699.55 - Step 6: Final answer
x = 626,099.53
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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.