Finding the Fourth Proportional to 504,909.54, 696,805.20 and 290,044.08
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Solution
The fourth proportional to 504,909.54, 696,805.20 and 290,044.08 is: 400,278.08
Step by Step Solution
- Step 1: Write the proportion equation
504,909.54 : 696,805.20 = 290,044.08 : x - Step 2: Convert to fraction form
504,909.54/696,805.20 = 290,044.08/x - Step 3: Cross multiply
504,909.54x = 696,805.20 × 290,044.08 - Step 4: Simplify right side
504,909.54x = 202,104,223,173.22 - Step 5: Solve for x
x = 202,104,223,173.22/504,909.54 - Step 6: Final answer
x = 400,278.08
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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.