Finding the Fourth Proportional to 717,755.08, 1,076,790.28 and 212,276.66
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Solution
The fourth proportional to 717,755.08, 1,076,790.28 and 212,276.66 is: 318,461.61
Step by Step Solution
- Step 1: Write the proportion equation
717,755.08 : 1,076,790.28 = 212,276.66 : x - Step 2: Convert to fraction form
717,755.08/1,076,790.28 = 212,276.66/x - Step 3: Cross multiply
717,755.08x = 1,076,790.28 × 212,276.66 - Step 4: Simplify right side
717,755.08x = 228,577,438,653.07 - Step 5: Solve for x
x = 228,577,438,653.07/717,755.08 - Step 6: Final answer
x = 318,461.61
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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.