Finding the Fourth Proportional to 827,152.97, 1,238,985.72 and 378,251.57
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Solution
The fourth proportional to 827,152.97, 1,238,985.72 and 378,251.57 is: 566,579.96
Step by Step Solution
- Step 1: Write the proportion equation
827,152.97 : 1,238,985.72 = 378,251.57 : x - Step 2: Convert to fraction form
827,152.97/1,238,985.72 = 378,251.57/x - Step 3: Cross multiply
827,152.97x = 1,238,985.72 × 378,251.57 - Step 4: Simplify right side
827,152.97x = 468,648,296,895.05 - Step 5: Solve for x
x = 468,648,296,895.05/827,152.97 - Step 6: Final answer
x = 566,579.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.