Finding the Fourth Proportional to 636,671.22, 878,731.14 and 364,921.32
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Solution
The fourth proportional to 636,671.22, 878,731.14 and 364,921.32 is: 503,662.99
Step by Step Solution
- Step 1: Write the proportion equation
636,671.22 : 878,731.14 = 364,921.32 : x - Step 2: Convert to fraction form
636,671.22/878,731.14 = 364,921.32/x - Step 3: Cross multiply
636,671.22x = 878,731.14 × 364,921.32 - Step 4: Simplify right side
636,671.22x = 320,667,727,533.91 - Step 5: Solve for x
x = 320,667,727,533.91/636,671.22 - Step 6: Final answer
x = 503,662.99
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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.