Finding the Fourth Proportional to 790,451.36, 1,185,694.68 and 285,053.12
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Solution
The fourth proportional to 790,451.36, 1,185,694.68 and 285,053.12 is: 427,586.04
Step by Step Solution
- Step 1: Write the proportion equation
790,451.36 : 1,185,694.68 = 285,053.12 : x - Step 2: Convert to fraction form
790,451.36/1,185,694.68 = 285,053.12/x - Step 3: Cross multiply
790,451.36x = 1,185,694.68 × 285,053.12 - Step 4: Simplify right side
790,451.36x = 337,985,967,901.40 - Step 5: Solve for x
x = 337,985,967,901.40/790,451.36 - Step 6: Final answer
x = 427,586.04
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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.