Finding the Fourth Proportional to 894,855.94, 1,234,901.41 and 492,447.94
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Solution
The fourth proportional to 894,855.94, 1,234,901.41 and 492,447.94 is: 679,578.27
Step by Step Solution
- Step 1: Write the proportion equation
894,855.94 : 1,234,901.41 = 492,447.94 : x - Step 2: Convert to fraction form
894,855.94/1,234,901.41 = 492,447.94/x - Step 3: Cross multiply
894,855.94x = 1,234,901.41 × 492,447.94 - Step 4: Simplify right side
894,855.94x = 608,124,651,139.22 - Step 5: Solve for x
x = 608,124,651,139.22/894,855.94 - Step 6: Final answer
x = 679,578.27
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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.