Finding the Fourth Proportional to 771,027.48, 1,064,671.08 and 484,639.80
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Solution
The fourth proportional to 771,027.48, 1,064,671.08 and 484,639.80 is: 669,213.48
Step by Step Solution
- Step 1: Write the proportion equation
771,027.48 : 1,064,671.08 = 484,639.80 : x - Step 2: Convert to fraction form
771,027.48/1,064,671.08 = 484,639.80/x - Step 3: Cross multiply
771,027.48x = 1,064,671.08 × 484,639.80 - Step 4: Simplify right side
771,027.48x = 515,981,979,276.98 - Step 5: Solve for x
x = 515,981,979,276.98/771,027.48 - Step 6: Final answer
x = 669,213.48
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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.