Finding the Fourth Proportional to 577,485.89, 796,907.67 and 319,346.08
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Solution
The fourth proportional to 577,485.89, 796,907.67 and 319,346.08 is: 440,684.95
Step by Step Solution
- Step 1: Write the proportion equation
577,485.89 : 796,907.67 = 319,346.08 : x - Step 2: Convert to fraction form
577,485.89/796,907.67 = 319,346.08/x - Step 3: Cross multiply
577,485.89x = 796,907.67 × 319,346.08 - Step 4: Simplify right side
577,485.89x = 254,489,337,346.62 - Step 5: Solve for x
x = 254,489,337,346.62/577,485.89 - Step 6: Final answer
x = 440,684.95
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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.