Finding the Fourth Proportional to 665,125.44, 918,175.28 and 423,739.04
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Solution
The fourth proportional to 665,125.44, 918,175.28 and 423,739.04 is: 584,952.38
Step by Step Solution
- Step 1: Write the proportion equation
665,125.44 : 918,175.28 = 423,739.04 : x - Step 2: Convert to fraction form
665,125.44/918,175.28 = 423,739.04/x - Step 3: Cross multiply
665,125.44x = 918,175.28 × 423,739.04 - Step 4: Simplify right side
665,125.44x = 389,066,711,698.93 - Step 5: Solve for x
x = 389,066,711,698.93/665,125.44 - Step 6: Final answer
x = 584,952.38
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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.