Finding the Fourth Proportional to 395,294.65, 593,532.48 and 389,389.75
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Solution
The fourth proportional to 395,294.65, 593,532.48 and 389,389.75 is: 584,666.31
Step by Step Solution
- Step 1: Write the proportion equation
395,294.65 : 593,532.48 = 389,389.75 : x - Step 2: Convert to fraction form
395,294.65/593,532.48 = 389,389.75/x - Step 3: Cross multiply
395,294.65x = 593,532.48 × 389,389.75 - Step 4: Simplify right side
395,294.65x = 231,115,464,004.08 - Step 5: Solve for x
x = 231,115,464,004.08/395,294.65 - Step 6: Final answer
x = 584,666.31
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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.