Finding the Fourth Proportional to 559,071.84, 771,518.58 and 304,424.82
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Solution
The fourth proportional to 559,071.84, 771,518.58 and 304,424.82 is: 420,105.95
Step by Step Solution
- Step 1: Write the proportion equation
559,071.84 : 771,518.58 = 304,424.82 : x - Step 2: Convert to fraction form
559,071.84/771,518.58 = 304,424.82/x - Step 3: Cross multiply
559,071.84x = 771,518.58 × 304,424.82 - Step 4: Simplify right side
559,071.84x = 234,869,404,843.16 - Step 5: Solve for x
x = 234,869,404,843.16/559,071.84 - Step 6: Final answer
x = 420,105.95
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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.