Finding the Fourth Proportional to 850,311.66, 1,173,385.81 and 528,014.84
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Solution
The fourth proportional to 850,311.66, 1,173,385.81 and 528,014.84 is: 728,632.98
Step by Step Solution
- Step 1: Write the proportion equation
850,311.66 : 1,173,385.81 = 528,014.84 : x - Step 2: Convert to fraction form
850,311.66/1,173,385.81 = 528,014.84/x - Step 3: Cross multiply
850,311.66x = 1,173,385.81 × 528,014.84 - Step 4: Simplify right side
850,311.66x = 619,565,120,725.42 - Step 5: Solve for x
x = 619,565,120,725.42/850,311.66 - Step 6: Final answer
x = 728,632.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.