Finding the Fourth Proportional to 1,076,674.05, 1,485,343.35 and 640,847.00
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Solution
The fourth proportional to 1,076,674.05, 1,485,343.35 and 640,847.00 is: 884,090.99
Step by Step Solution
- Step 1: Write the proportion equation
1,076,674.05 : 1,485,343.35 = 640,847.00 : x - Step 2: Convert to fraction form
1,076,674.05/1,485,343.35 = 640,847.00/x - Step 3: Cross multiply
1,076,674.05x = 1,485,343.35 × 640,847.00 - Step 4: Simplify right side
1,076,674.05x = 951,877,819,186.50 - Step 5: Solve for x
x = 951,877,819,186.50/1,076,674.05 - Step 6: Final answer
x = 884,090.99
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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.