Finding the Fourth Proportional to 516,769.64, 774,474.06 and 276,855.74
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Solution
The fourth proportional to 516,769.64, 774,474.06 and 276,855.74 is: 414,919.09
Step by Step Solution
- Step 1: Write the proportion equation
516,769.64 : 774,474.06 = 276,855.74 : x - Step 2: Convert to fraction form
516,769.64/774,474.06 = 276,855.74/x - Step 3: Cross multiply
516,769.64x = 774,474.06 × 276,855.74 - Step 4: Simplify right side
516,769.64x = 214,417,588,992.10 - Step 5: Solve for x
x = 214,417,588,992.10/516,769.64 - Step 6: Final answer
x = 414,919.09
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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.