Finding the Fourth Proportional to 597,421.68, 823,888.08 and 436,021.08
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Solution
The fourth proportional to 597,421.68, 823,888.08 and 436,021.08 is: 601,304.88
Step by Step Solution
- Step 1: Write the proportion equation
597,421.68 : 823,888.08 = 436,021.08 : x - Step 2: Convert to fraction form
597,421.68/823,888.08 = 436,021.08/x - Step 3: Cross multiply
597,421.68x = 823,888.08 × 436,021.08 - Step 4: Simplify right side
597,421.68x = 359,232,570,440.73 - Step 5: Solve for x
x = 359,232,570,440.73/597,421.68 - Step 6: Final answer
x = 601,304.88
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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.