Finding the Fourth Proportional to 563,618.51, 777,873.62 and 348,827.75
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Solution
The fourth proportional to 563,618.51, 777,873.62 and 348,827.75 is: 481,431.85
Step by Step Solution
- Step 1: Write the proportion equation
563,618.51 : 777,873.62 = 348,827.75 : x - Step 2: Convert to fraction form
563,618.51/777,873.62 = 348,827.75/x - Step 3: Cross multiply
563,618.51x = 777,873.62 × 348,827.75 - Step 4: Simplify right side
563,618.51x = 271,343,902,904.82 - Step 5: Solve for x
x = 271,343,902,904.82/563,618.51 - Step 6: Final answer
x = 481,431.85
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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.