Finding the Fourth Proportional to 894,919.44, 1,234,991.28 and 492,511.44
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Solution
The fourth proportional to 894,919.44, 1,234,991.28 and 492,511.44 is: 679,667.14
Step by Step Solution
- Step 1: Write the proportion equation
894,919.44 : 1,234,991.28 = 492,511.44 : x - Step 2: Convert to fraction form
894,919.44/1,234,991.28 = 492,511.44/x - Step 3: Cross multiply
894,919.44x = 1,234,991.28 × 492,511.44 - Step 4: Simplify right side
894,919.44x = 608,247,333,700.24 - Step 5: Solve for x
x = 608,247,333,700.24/894,919.44 - Step 6: Final answer
x = 679,667.14
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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.