Finding the Fourth Proportional to 717,653.97, 1,076,579.37 and 212,254.70
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Solution
The fourth proportional to 717,653.97, 1,076,579.37 and 212,254.70 is: 318,411.15
Step by Step Solution
- Step 1: Write the proportion equation
717,653.97 : 1,076,579.37 = 212,254.70 : x - Step 2: Convert to fraction form
717,653.97/1,076,579.37 = 212,254.70/x - Step 3: Cross multiply
717,653.97x = 1,076,579.37 × 212,254.70 - Step 4: Simplify right side
717,653.97x = 228,509,025,822.64 - Step 5: Solve for x
x = 228,509,025,822.64/717,653.97 - Step 6: Final answer
x = 318,411.15
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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.