Finding the Fourth Proportional to 903,081.08, 1,354,689.70 and 304,043.96
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Solution
The fourth proportional to 903,081.08, 1,354,689.70 and 304,043.96 is: 456,088.86
Step by Step Solution
- Step 1: Write the proportion equation
903,081.08 : 1,354,689.70 = 304,043.96 : x - Step 2: Convert to fraction form
903,081.08/1,354,689.70 = 304,043.96/x - Step 3: Cross multiply
903,081.08x = 1,354,689.70 × 304,043.96 - Step 4: Simplify right side
903,081.08x = 411,885,220,959.21 - Step 5: Solve for x
x = 411,885,220,959.21/903,081.08 - Step 6: Final answer
x = 456,088.86
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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.