Finding the Fourth Proportional to 542,967.96, 814,615.38 and 489,408.63
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Solution
The fourth proportional to 542,967.96, 814,615.38 and 489,408.63 is: 734,260.27
Step by Step Solution
- Step 1: Write the proportion equation
542,967.96 : 814,615.38 = 489,408.63 : x - Step 2: Convert to fraction form
542,967.96/814,615.38 = 489,408.63/x - Step 3: Cross multiply
542,967.96x = 814,615.38 × 489,408.63 - Step 4: Simplify right side
542,967.96x = 398,679,798,630.13 - Step 5: Solve for x
x = 398,679,798,630.13/542,967.96 - Step 6: Final answer
x = 734,260.27
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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.