Finding the Fourth Proportional to 932,216.58, 1,398,325.68 and 399,392.10
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Solution
The fourth proportional to 932,216.58, 1,398,325.68 and 399,392.10 is: 599,088.50
Step by Step Solution
- Step 1: Write the proportion equation
932,216.58 : 1,398,325.68 = 399,392.10 : x - Step 2: Convert to fraction form
932,216.58/1,398,325.68 = 399,392.10/x - Step 3: Cross multiply
932,216.58x = 1,398,325.68 × 399,392.10 - Step 4: Simplify right side
932,216.58x = 558,480,229,819.13 - Step 5: Solve for x
x = 558,480,229,819.13/932,216.58 - Step 6: Final answer
x = 599,088.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.