Finding the Fourth Proportional to 641,946.08, 885,874.73 and 355,460.01
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Solution
The fourth proportional to 641,946.08, 885,874.73 and 355,460.01 is: 490,528.80
Step by Step Solution
- Step 1: Write the proportion equation
641,946.08 : 885,874.73 = 355,460.01 : x - Step 2: Convert to fraction form
641,946.08/885,874.73 = 355,460.01/x - Step 3: Cross multiply
641,946.08x = 885,874.73 × 355,460.01 - Step 4: Simplify right side
641,946.08x = 314,893,040,268.26 - Step 5: Solve for x
x = 314,893,040,268.26/641,946.08 - Step 6: Final answer
x = 490,528.80
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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.