Finding the Fourth Proportional to 489,937.30, 734,216.74 and 389,652.41
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Solution
The fourth proportional to 489,937.30, 734,216.74 and 389,652.41 is: 583,930.48
Step by Step Solution
- Step 1: Write the proportion equation
489,937.30 : 734,216.74 = 389,652.41 : x - Step 2: Convert to fraction form
489,937.30/734,216.74 = 389,652.41/x - Step 3: Cross multiply
489,937.30x = 734,216.74 × 389,652.41 - Step 4: Simplify right side
489,937.30x = 286,089,323,064.75 - Step 5: Solve for x
x = 286,089,323,064.75/489,937.30 - Step 6: Final answer
x = 583,930.48
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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.