Finding the Fourth Proportional to 717,716.70, 1,076,575.05 and 291,251.70
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Solution
The fourth proportional to 717,716.70, 1,076,575.05 and 291,251.70 is: 436,877.55
Step by Step Solution
- Step 1: Write the proportion equation
717,716.70 : 1,076,575.05 = 291,251.70 : x - Step 2: Convert to fraction form
717,716.70/1,076,575.05 = 291,251.70/x - Step 3: Cross multiply
717,716.70x = 1,076,575.05 × 291,251.70 - Step 4: Simplify right side
717,716.70x = 313,554,313,490.09 - Step 5: Solve for x
x = 313,554,313,490.09/717,716.70 - Step 6: Final answer
x = 436,877.55
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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.