Finding the Fourth Proportional to 559,620.12, 772,253.28 and 304,965.84
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Solution
The fourth proportional to 559,620.12, 772,253.28 and 304,965.84 is: 420,840.61
Step by Step Solution
- Step 1: Write the proportion equation
559,620.12 : 772,253.28 = 304,965.84 : x - Step 2: Convert to fraction form
559,620.12/772,253.28 = 304,965.84/x - Step 3: Cross multiply
559,620.12x = 772,253.28 × 304,965.84 - Step 4: Simplify right side
559,620.12x = 235,510,870,227.96 - Step 5: Solve for x
x = 235,510,870,227.96/559,620.12 - Step 6: Final answer
x = 420,840.61
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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.