Finding the Fourth Proportional to 636,285.68, 878,076.24 and 364,357.88
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Solution
The fourth proportional to 636,285.68, 878,076.24 and 364,357.88 is: 502,815.02
Step by Step Solution
- Step 1: Write the proportion equation
636,285.68 : 878,076.24 = 364,357.88 : x - Step 2: Convert to fraction form
636,285.68/878,076.24 = 364,357.88/x - Step 3: Cross multiply
636,285.68x = 878,076.24 × 364,357.88 - Step 4: Simplify right side
636,285.68x = 319,933,997,284.77 - Step 5: Solve for x
x = 319,933,997,284.77/636,285.68 - Step 6: Final answer
x = 502,815.02
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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.