Finding the Fourth Proportional to 563,480.28, 845,971.20 and 326,992.68
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Solution
The fourth proportional to 563,480.28, 845,971.20 and 326,992.68 is: 490,924.70
Step by Step Solution
- Step 1: Write the proportion equation
563,480.28 : 845,971.20 = 326,992.68 : x - Step 2: Convert to fraction form
563,480.28/845,971.20 = 326,992.68/x - Step 3: Cross multiply
563,480.28x = 845,971.20 × 326,992.68 - Step 4: Simplify right side
563,480.28x = 276,626,389,890.82 - Step 5: Solve for x
x = 276,626,389,890.82/563,480.28 - Step 6: Final answer
x = 490,924.70
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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.